Langthorns Plantery (Plant Nursery, Retailer)

Plants

Plants stocked by Langthorns Plantery:

• Abelia schumannii (Schumann abelia)
• Abelia x grandiflora (Glossy abelia)
• Abeliophyllum distichum (White forsythia)
• Abies koreana (Korean fir)
• Abies pinsapo 'Glauca' (Glaucous Spanish fir)
• Abutilon 'Ashford Red' (Abutilon 'Ashford Red')
• Abutilon 'Cannington Carol' (Abutilon 'Cannington Carol')
• Abutilon 'Kentish Belle' (Abutilon 'Kentish Belle')
• Abutilon megapotamicum (Trailing abutilon)
• Abutilon megapotamicum 'Variegatum' (Trailing abutilon 'Variegatum')
• Abutilon x suntense (Violetta abutilon)
• Acacia baileyana (Cootamundra wattle)
• Acacia baileyana 'Purpurea' (Cootamundra wattle 'Purpurea')
• Acacia baileyana 'Purpurea' (Cootamundra wattle)
• Acacia dealbata (Blue wattle)
• Acacia melanoxylon (Blackwood acacia)
• Acacia pravissima (Ovens wattle)
• Acanthus mollis (Bear's breeches)
• Acer campestre (Field maple)
• Acer cappadocicum 'Aureum' (Golden Cappadocian maple)
• Acer davidii 'George Forrest' (Père David's maple 'George Forrest')
• Acer griseum (Paperbark maple)
• Acer japonicum 'Aconitifolium' (Japanese maple 'Aconitifolium')
• Acer maximowiczianum (Nikko maple)
• Acer negundo 'Flamingo' (Box elder 'Flamingo')
• Acer palmatum 'Bloodgood' (Japanese maple 'Bloodgood')
• Acer palmatum 'Katsura' (Japanese maple 'Katsura')
• Acer palmatum 'Osakazuki' (Japanese maple 'Osakazuki')
• Acer palmatum 'Sango-kaku' (Coral bark maple)
• Acer palmatum 'Trompenburg' (Japanese maple 'Trompenburg')
• Acer palmatum var. dissectum 'Garnet' (Japanese maple 'Garnet')
• Acer palmatum var. dissectum 'Seiryu' (Japanese maple 'Seiryu')
• Acer palmatum var. dissectum 'Tamukeyama' (Japanese maple 'Tamukeyama')
• Acer pensylvanicum (Moosewood)
• Acer platanoides 'Crimson King' (Norway maple 'Crimson King')
• Acer platanoides 'Crimson Sentry' (Norway maple 'Crimson Sentry')
• Acer platanoides 'Drummondii' (Silver variegated maple)
• Acer pseudoplatanus 'Brilliantissimum' (Sycamore 'Brilliantissimum')
• Acer saccharinum (Silver maple)
• Achillea 'Coronation Gold' (Yarrow 'Coronation Gold')
• Achillea 'Fanal' (Yarrow 'Fanal')
• Achillea 'Lachsschönheit' (Yarrow 'Lachsschönheit')
• Achillea 'Moonshine' (Yarrow 'Moonshine')
• Achillea millefolium 'Cerise Queen' (Yarrow 'Cerise Queen')
• Achillea millefolium 'Red Velvet' (Yarrow 'Red Velvet')
• Aconitum 'Ivorine' (Monkshood 'Ivorine')
• Aconitum 'Newry Blue' (Monkshood 'Newry Blue')
• Aconitum 'Spark's Variety' (Monkshood 'Spark's Variety')
• Aconitum x cammarum 'Bicolor' (Purple wolf's bane 'bicolor')
• Acorus gramineus 'Ogon' (Japanese rush 'Ogon')
• Actaea racemosa (Cohosh bugbane)
• Actinidia kolomikta (Kolomikta)
• Adenophora liliifolia (Ladybells)
• Adiantum aleuticum (Aleutian maidenhair fern)
• Aesculus hippocastanum (Horse chestnut)
• Aesculus indica (Indian horse chestnut)
• Aesculus parviflora (Bottlebrush buckeye)
• Aesculus x carnea 'Briotii' (Red horse chestnut 'Briotii')
• Aethionema 'Warley Rose' (Stone cress 'Warley Rose')
• Agapanthus 'Purple Cloud' (African lily 'Purple Cloud')
• Agapanthus 'Timaru' (African lily 'Timaru')
• Agastache foeniculum (Anise hyssop)
• Ajuga reptans 'Atropurpurea' (Carpenter's herb 'Atropurpurea')
• Ajuga reptans 'Braunherz' (Bugle 'Braunherz')
• Ajuga reptans 'Catlin's Giant' (Bugle 'Catlin's Giant')
• Akebia quinata (Chocolate vine)
• Alcea rosea 'Nigra' (Hollyhock 'Nigra')
• Alchemilla mollis (Lady's mantle)
• Allium 'Globemaster' (Allium 'Globemaster')
• Allium atropurpureum (Allium atropurpureum)
• Allium cristophii (Star of persia)
• Allium giganteum (Giant allium)
• Allium hollandicum 'Purple Sensation' (Allium 'Purple Sensation')
• Allium karataviense (Kara Tau garlic)
• Allium schubertii (Allium schubertii)
• Allium sphaerocephalon (Roundhead leek)
• Allium triquetrum (Three-cornered leek)
• Alnus cordata (Italian alder)
• Alnus glutinosa 'Imperialis' (Alder 'Imperialis')
• Alnus rubra (Red alder)
• Althaea officinalis (Marsh mallow)
• Alyssum spinosum 'Roseum' (Spiny madwort 'Roseum')
• Amelanchier canadensis (June berry)
• Amelanchier lamarckii (Snowy mespilus)
• Anaphalis triplinervis (Triple-nerved pearly everlasting)
• Anchusa azurea 'Loddon Royalist' (Bugloss 'Loddon Royalist')
• Andromeda polifolia 'Blue Ice' (Bog rosemary 'Blue Ice')
• Anemone blanda 'White Splendour' (Winter windflower 'White Splendour')
• Anemone sylvestris (Snowdrop anemone)
• Anemone x hybrida 'Honorine Jobert' (Japanese anemone 'Honorine Jobert')
• Anemone x hybrida 'Königin Charlotte' (Japanese anemone 'Königin Charlotte')
• Anemone x hybrida 'Whirlwind' (Japanese anemone 'Whirlwind')
• Angelica archangelica (Angelica)
• Angelica gigas (Korean angelica)
• Anthemis tinctoria 'E.C. Buxton' (Dyer's chamomile 'E.C. Buxton')
• Anthemis tinctoria 'Sauce Hollandaise' (Dyer's chamomile 'Sauce Hollandaise')
• Anthriscus sylvestris 'Ravenswing' (Purple cow parsley)
• Aquilegia 'White Star' (Columbine 'White Star')
• Aquilegia viridiflora (Green-flowered columbine)
• Aquilegia vulgaris 'William Guiness' (Columbine 'William Guiness')
• Aquilegia vulgaris var. stellata 'Black Barlow' (Barlow Series) (Columbine 'Black Barlow')
• Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow Series) (Columbine 'Nora Barlow')
• Arabis procurrens 'Variegata' (Spreading rock cress 'Variegata')
• Aralia elata (Angelica tree)
• Araucaria araucana (Monkey puzzle)
• Arbutus 'Marina' (Strawberry tree 'Marina')
• Arbutus unedo (Pink strawberry tree)
• Arbutus unedo f. rubra (Strawberry tree 'Rubra' )
• Armeria juniperifolia (Juniper-leaved thrift)
• Armeria maritima 'Alba' (Thrift 'Alba')
• Aronia melanocarpa (Black chokeberry)
• Artemisia abrotanum (Tall wormwood)
• Artemisia absinthium 'Lambrook Mist' (Common wormwood 'Lambrook Mist')
• Artemisia alba 'Canescens' (Mugwort 'Canescens')
• Artemisia lactiflora (White mugwort)
• Artemisia ludoviciana 'Silver Queen' (Western mugwort 'Silver Queen')
• Artemisia pontica (Roman wormwood)
• Artemisia schmidtiana 'Nana' (Dwarf Schmidt wormwood)
• Artemisia stelleriana 'Boughton Silver' (Beach wormwood 'Boughton Silver')
• Arum italicum subsp. italicum 'Marmoratum' (Italian arum 'Marmoratum')
• Aruncus aethusifolius (Dwarf goat's beard)
• Aruncus dioicus (Goat's beard)
• Arundo donax (Giant reed)
• Asphodeline lutea (King's spear)
• Asplenium trichomanes (Maidenhair spleenwort fern)
• Aster 'Little Carlow' (Michaelmas daisy 'Little Carlow')
• Aster divaricatus (White wood aster)
• Aster novae-angliae 'Andenken an Alma Pötschke' (Hairy michaelmas daisy 'Andenken an Alma Pötschke')
• Aster novae-angliae 'Harrington's Pink' (Hairy michaelmas daisy 'Harrington's Pink')
• Aster novi-belgii 'Crimson Brocade' (Michaelmas daisy 'Crimson Brocade')
• Aster novi-belgii 'Little Pink Beauty' (Michelmas daisy 'Little Pink Beauty')
• Aster x frikartii 'Mönch' (Frikart's aster 'Monch')
• Astilbe 'Sprite' (Astilbe 'Sprite')
• Astilbe chinensis var. pumila (Dwarf chinese astilbe)
• Astilbe x crispa 'Perkeo' (Astilbe 'Perkeo')
• Astilboides tabularis (Common astilboides)
• Astrantia 'Bloody Mary' (Masterwort 'Bloody Mary')
• Astrantia major (Masterwort)
• Astrantia major 'Claret' (Masterwort 'Claret')
• Astrantia major 'Rubra' (Masterwort 'Rubra')
• Astrantia major 'Ruby Wedding' (Masterwort 'Ruby Wedding')
• Astrantia major 'Sunningdale Variegated' (Masterwort 'Sunningdale Variegated')
• Astrantia major subsp. involucrata 'Shaggy' (Masterwort 'Shaggy')
• Astrantia maxima (Largest masterwort)
• Athyrium filix-femina (Lady fern)
• Athyrium niponicum var. pictum (Japanese painted fern)
• Atriplex hortensis var. rubra (Red mountain spinach)
• Aubrieta 'Aureovariegata' (Aubretia 'Aureovariegata')
• Aucuba japonica 'Crotonifolia' (Japanese laurel 'Crotonifolia')
• Aucuba japonica 'Golden King' (Japanese laurel 'Golden King')
• Aucuba japonica 'Rozannie' (Japanese laurel 'Rozannie')
• Aucuba japonica 'Variegata' (Japanese laurel 'Variegata')
• Aucuba japonica 'Variegata' (Long-leaved spotted laurel 'Variegata')
• Ballota pseudodictamnus (False dittany)
• Berberidopsis corallina (Coral plant)
• Berberis darwinii (Darwin's barberry)
• Berberis julianae (Wintergreen barberry)
• Berberis linearifolia 'Orange King' (Barberry 'Orange King')
• Berberis thunbergii 'Aurea' (Golden Japanese barberry)
• Berberis thunbergii f. atropurpurea 'Dart's Red Lady' (Japanese barberry 'Dart's Red Lady')
• Berberis thunbergii f. atropurpurea 'Golden Ring' (Japanese barberry 'Golden Ring')
• Berberis thunbergii f. atropurpurea 'Harlequin' (Japanese barberry 'Harlequin')
• Berberis thunbergii f. atropurpurea 'Helmond Pillar' (Japanese barberry 'Helmond Pillar')
• Berberis thunbergii f. atropurpurea 'Red Chief' (Japanese barberry 'Red Chief')
• Berberis x stenophylla 'Corallina Compacta' (Golden barberry 'Corallina Compacta')
• Bergenia 'Abendglut' (Elephant's ears 'Abendglut')
• Bergenia 'Bressingham White' (Elephant's ears 'Bressingham White')
• Bergenia 'Silberlicht' (Elephant's ears 'Silberlicht')
• Bergenia 'Sunningdale' (Elephant's ears 'Sunningdale')
• Bergenia cordifolia 'Purpurea' (Elephant's ears 'Purpurea')
• Betula ermanii (Erman's birch)
• Betula papyrifera (Paper birch)
• Betula pendula (Silver birch)
• Betula pendula 'Laciniata' (Swedish birch)
• Betula pendula 'Purpurea' (Purple birch)
• Betula pendula 'Youngii' (Young's weeping birch)
• Billardiera longiflora (Climbing blueberry)
• Brachyglottis monroi (Monro's ragwort)
• Brugmansia suaveolens (Angel's trumpet)
• Brugmansia x candida 'Grand Marnier' (Angel's trumpet 'Grand Marnier')
• Brunnera macrophylla (Siberian bugloss)
• Brunnera macrophylla 'Jack Frost' (Siberian bugloss 'Jack Frost')
• Buddleja 'Pink Delight' (Butterfly bush 'Pink Delight')
• Buddleja alternifolia (Alternate-leaved butterfly bush)
• Buddleja davidii 'Black Knight' (Butterfly bush 'Black Knight')
• Buddleja davidii 'Dartmoor' (Butterfly bush 'Dartmoor')
• Buddleja davidii 'Harlequin' (Butterfly bush 'Harlequin')
• Buddleja davidii 'Royal Red' (Butterfly bush 'Royal Red')
• Buddleja davidii 'White Profusion' (Butterfly bush 'White Profusion')
• Buddleja globosa (Orange ball tree)
• Buddleja x weyeriana 'Sungold' (Butterfly bush 'Sungold')
• Buxus sempervirens (Common box)
• Buxus sempervirens 'Suffruticosa' (Box 'Suffruticosa')
• Calamagrostis x acutiflora 'Karl Foerster' (Feather reed grass 'Karl Foerster')
• Calamagrostis x acutiflora 'Overdam' (Variegated feather reed grass)
• Calamintha grandiflora (Large-flowered calamint)
• Callistemon 'Mauve Mist' (Bottlebrush 'Mauve Mist')
• Callistemon 'Red Clusters' (Australian bottlebrush )
• Callistemon citrinus 'Splendens' (Crimson bottlebrush 'Splendens')
• Callistemon linearis (Narrow-leaved bottlebrush)
• Callistemon rigidus (Stiff bottlebrush)
• Caltha palustris var. alba (Marsh marigold 'Alba')
• Calystegia hederacea 'Flore Pleno' (Calystegia 'Flore Pleno')
• Camassia cusickii (Cusick's camas)
• Camassia leichtlinii subsp. suksdorfii Caerulea Group (Camassia leichtlinii subsp. suksdorfii Caerulea Group)
• Camellia japonica 'Adolphe Audusson' (Camellia 'Adolphe Audusson')
• Camellia japonica 'Hagoromo' (Camellia 'Hagoromo')
• Camellia japonica 'Lady Vansittart' (Camellia japonica 'Lady Vansittart')
• Camellia japonica 'Lavinia Maggi' (Camellia 'Lavinia Maggi')
• Camellia x williamsii 'Debbie' (Camellia 'Debbie')
• Camellia x williamsii 'Donation' (Camellia 'Donation')
• Camellia x williamsii 'Golden Spangles' (Camellia 'Golden Spangles')
• Camellia x williamsii 'Jury's Yellow' (Camellia 'Jury's Yellow')
• Campanula 'Birch Hybrid' (Bellflower 'Birch Hybrid')
• Campanula 'Burghaltii' (Bellflower 'Burghaltii')
• Campanula carpatica f. alba 'Weisse Clips' (Tussock bellflower 'White Clips')
• Campanula glomerata 'Superba' (Clustered bellflower 'Superba')
• Campanula lactiflora 'Loddon Anna' (Milky bellflower 'Loddon Anna')
• Campanula lactiflora 'Prichard's Variety' (Milky bellflower 'Prichard's Variety')
• Campanula latiloba 'Alba' (Great bellflower 'Alba')
• Campanula latiloba 'Hidcote Amethyst' (Great bellflower 'Hidcote Amethyst')
• Campanula latiloba 'Highcliffe Variety' (Great bellflower 'Highcliffe Variety')
• Campanula latiloba 'Percy Piper' (Great bellflower 'Percy Piper')
• Campanula persicifolia 'Chettle Charm' (Peach-leaved bellflower 'Chettle Charm')
• Campanula portenschlagiana (Wall bellflower)
• Campanula poscharskyana (Trailing bellflower)
• Campsis grandiflora (Chinese trumpet vine)
• Campsis radicans f. flava (Yellow trumpet vine)
• Caragana arborescens 'Pendula' (Siberian pea-tree 'Pendula')
• Caragana arborescens 'Walker' (Siberian pea tree 'Walker')
• Carex comans 'Frosted Curls' (New Zealand sedge 'Frosted Curls')
• Carex conica 'Snowline' (Miniature variegated sedge)
• Carex muskingumensis (Palm branch sedge)
• Carex pendula (Pendulous sedge)
• Carex testacea (Orange New Zealand sedge)
• Carpenteria californica (Tree anemone)
• Carpinus betulus (Hornbeam)
• Carpinus betulus 'Fastigiata' (Hornbeam 'Fastigiata')
• Caryopteris x clandonensis 'First Choice' (Bluebeard 'First Choice')
• Caryopteris x clandonensis 'Heavenly Blue' (Bluebeard 'Heavenly Blue')
• Caryopteris x clandonensis 'Kew Blue' (Bluebeard 'Kew Blue')
• Caryopteris x clandonensis 'Worcester Gold' (Bluebeard 'Worcester Gold')
• Castanea sativa (Sweet chestnut)
• Catalpa bignonioides 'Aurea' (Golden Indian bean tree)
• Ceanothus 'Autumnal Blue' (Californian lilac 'Autumnal blue')
• Ceanothus 'Blue Mound' (Californian lilac 'Blue Mound')
• Ceanothus 'Concha' (Californian lilac 'Concha')
• Ceanothus 'Italian Skies' (Californian lilac 'Italian Skies')
• Ceanothus arboreus 'Trewithen Blue' (Californian lilac 'Trewithen Blue')
• Ceanothus thyrsiflorus 'Skylark' (Californian lilac 'Skylark')
• Ceanothus thyrsiflorus var. repens (Creeping blue blossom)
• Ceanothus x delileanus 'Topaze' (Californian lilac 'Topaze')
• Ceanothus x pallidus 'Marie Simon' (Pink Californian lilac)
• Cedrus atlantica Glauca Group (Blue atlas cedar)
• Cedrus libani (Cedar of Lebanon)
• Centaurea macrocephala (Great-headed centaury)
• Centaurea montana (Perennial cornflower)
• Centaurea montana 'Gold Bullion' (Perennial cornflower 'Gold Bullion')
• Centaurea montana 'Parham' (Perennial cornflower 'Parham')
• Centranthus ruber 'Albus' (Red valerian 'Albus')
• Cephalaria gigantea (Giant scabious)
• Ceratostigma griffithii (Burmese plumbago)
• Ceratostigma plumbaginoides (Hardy blue-flowered leadwort)
• Ceratostigma willmottianum (Chinese plumbago)
• Cercidiphyllum japonicum f. pendulum (Pendulous katsura)
• Cercis canadensis 'Forest Pansy' (Redbud 'Forest Pansy')
• Cercis siliquastrum (Judas tree)
• Chaenomeles speciosa 'Moerloosei' (Chaenomeles 'Apple Blossom')
• Chaenomeles x superba 'Crimson and Gold' (Japanese quince 'Crimson and Gold')
• Chaenomeles x superba 'Jet Trail' (Ornamental quince 'Jet Trail')
• Chaenomeles x superba 'Pink Lady' (Japanese quince 'Pink Lady')
• Chaenomeles x superba 'Rowallane' (Japanese quince 'Rowallane')
• Chamaecyparis lawsoniana 'Ellwood's Gold' (Lawson's cypress 'Ellwood's Gold')
• Chamaecyparis lawsoniana 'Pygmaea Argentea' (Lawson's cypress 'Pygmaea Argentea')
• Chamaecyparis lawsoniana 'Stardust' (Lawson's cypress 'Stardust' )
• Chamaecyparis obtusa 'Nana Gracilis' (Hinoki cypress 'Nana Gracilis')
• Chamaecyparis pisifera 'Baby Blue' (Baby blue sawara cypress)
• Chamaecyparis pisifera 'Boulevard' (Sawara cypress 'Boulevard')
• Chelone glabra (Turtlehead)
• Chelone obliqua (Red turtlehead)
• Chiastophyllum oppositifolium (Lamb's tail)
• Chionochloa rubra (Red wallaby grass)
• Chionochloa rubra (Red tussock grass)
• Choisya ternata (Mexican orange)
• Cirsium rivulare 'Atropurpureum' (Plume thistle 'Atropurpureum')
• Cistus x argenteus 'Peggy Sammons' (Rock rose 'Peggy Sammons')
• Cistus x cyprius (Common gum cistus)
• Cistus x dansereaui 'Decumbens' (Rock rose 'Decumbens')
• Cistus x pulverulentus 'Sunset' (Rock rose 'Sunset')
• Cistus x purpureus (Purple-flowered rock rose)
• Clematis 'Alba Luxurians' (Clematis 'Alba Luxurians')
• Clematis 'Alionushka' (Clematis 'Alionushka')
• Clematis 'Arabella' (Clematis 'Arabella')
• Clematis 'Asao' (Clematis 'Asao')
• Clematis 'Belle of Woking' (Clematis 'Belle of Woking')
• Clematis 'Betty Corning' (Clematis 'Betty Corning')
• Clematis 'Bill MacKenzie' (Clematis 'Bill MacKenzie')
• Clematis 'Comtesse de Bouchaud' (Clematis 'Comtesse de Bouchaud')
• Clematis 'Countess of Lovelace' (Clematis 'Countess of Lovelace')
• Clematis 'Daniel Deronda' (Clematis 'Daniel Deronda')
• Clematis 'Early Sensation' (Clematis 'Early Sensation')
• Clematis 'Ernest Markham' (Clematis 'Ernest Markham')
• Clematis 'General Sikorski' (Clematis 'General Sikorski')
• Clematis 'Gillian Blades' (Clematis 'Gillian Blades')
• Clematis 'Gipsy Queen' (Clematis 'Gipsy Queen')
• Clematis 'Hagley Hybrid' (Clematis 'Hagley Hybrid')
• Clematis 'Helsingborg' (Clematis 'Helsingborg')
• Clematis 'Henryi' (Clematis 'Henryi')
• Clematis 'Huldine' (Clematis 'Huldine')
• Clematis 'Jackmanii Alba' (Clematis 'Jackmanii Alba')
• Clematis 'Kermesina' (Clematis 'Kermesina')
• Clematis 'Lasurstern' (Clematis 'Lasurstern')
• Clematis 'Louise Rowe' (Clematis 'Louise Rowe')
• Clematis 'Madame Julia Correvon' (Clematis 'Madame Julia Correvon')
• Clematis 'Miss Bateman' (Clematis 'Miss Bateman')
• Clematis 'Mrs Cholmondeley' (Clematis 'Mrs Cholmondeley')
• Clematis 'Mrs N. Thompson' (Clematis 'Mrs N. Thompson')
• Clematis 'Multi Blue' (Clematis 'Multi Blue')
• Clematis 'Nelly Moser' (Clematis 'Nelly Moser')
• Clematis 'Perle d'Azur' (Clematis 'Perle d'Azur')
• Clematis 'Piilu' (Clematis 'Piilu')
• Clematis 'Proteus' (Clematis 'Proteus')
• Clematis 'Rouge Cardinal' (Clematis 'Rouge Cardinal')
• Clematis 'Royalty' (Clematis 'Royalty')
• Clematis 'The Vagabond' (Clematis 'The Vagabond')
• Clematis 'Ville de Lyon' (Clematis 'Ville de Lyon')
• Clematis 'Vyvyan Pennell' (Clematis 'Vyvyan Pennell')
• Clematis 'Warszawska Nike' (Clematis 'Warszawska Nike')
• Clematis 'Will Goodwin' (Clematis 'Will Goodwin')
• Clematis 'William Kennett' (Clematis 'William Kennett')
• Clematis chiisanensis 'Lemon Bells' (Clematis 'Lemon Bells')
• Clematis cirrhosa 'Wisley Cream' (Clematis 'Wisley Cream')
• Clematis cirrhosa var. balearica (Fern-leaved clematis )
• Clematis flammula (Fragrant virgin's bower)
• Clematis florida var. flore-pleno (Clematis 'Alba Plena')
• Clematis macropetala (Clematis macropetala)
• Clematis montana var. rubens 'Pink Perfection' (Clematis 'Pink Perfection')
• Clematis montana var. rubens 'Tetrarose' (Clematis 'Tetrarose')
• Clematis rehderiana (Clematis buchananiana )
• Clematis rehderiana (Nodding virgin's bower)
• Clematis tangutica (Golden clematis)
• Clematis x durandii (Durandi clematis)
• Clematis x triternata 'Rubromarginata' (Clematis 'Rubromarginata')
• Clerodendrum bungei (Glory flower)
• Clerodendrum thomsoniae (Bleeding glory bower)
• Clerodendrum trichotomum var. fargesii (Farges harlequin glory bower)
• Colchicum 'Waterlily' (Colchicum 'Waterlily')
• Colutea arborescens (Common bladder senna)
• Convallaria majalis (Lily of the valley)
• Convolvulus cneorum (Silverbush)
• Convolvulus sabatius (Blue rock bindweed)
• Coprosma 'Evening Glow' (Looking glass plant 'Evening Glow')
• Coprosma 'Karo Red' (Looking glass plant 'Karo Red')
• Coprosma 'Rainbow Surprise' (Looking-glass plant 'Rainbow Surprise')
• Cordyline australis (Cabbage tree)
• Cordyline australis 'Pink Stripe' (Cabbage palm 'Pink Stripe')
• Cordyline australis 'Torbay Dazzler' (Cabbage tree 'Torbay Dazzler')
• Cordyline australis Purpurea Group (New Zealand cabbage palm)
• Coreopsis rosea 'American Dream' (Tickseed 'American Dream')
• Coreopsis verticillata 'Grandiflora' (Tickseed 'Grandiflora')
• Coreopsis verticillata 'Moonbeam' (Tickseed 'Moonbeam')
• Coreopsis verticillata 'Zagreb' (Tickseed 'Zagreb')
• Cornus 'Eddie's White Wonder' (Dogwood 'Eddie's White Wonder')
• Cornus alba 'Aurea' (Golden Tartarean dogwood)
• Cornus alba 'Elegantissima' (Red-barked dogwood 'Elegantissima')
• Cornus alba 'Sibirica' (Siberian dogwood)
• Cornus alba 'Spaethii' (Red-barked dogwood 'Spaethii')
• Cornus alternifolia 'Argentea' (Pagoda dogwood 'Argentea')
• Cornus canadensis (Dwarf cornel)
• Cornus kousa var. chinensis (Chinese dogwood)
• Cornus sanguinea 'Midwinter Fire' (Dogwood 'Midwinter Fire')
• Cornus sericea 'Flaviramea' (Golden-twig dogwood)
• Corokia x virgata 'Frosted Chocolate' (Corokia 'Frosted Chocolate')
• Coronilla valentina subsp. glauca (Glaucous scorpion-vetch)
• Coronilla valentina subsp. glauca 'Citrina' (Bastard senna 'Citrina')
• Cortaderia selloana 'Pumila' (Pampas grass 'Pumila')
• Cortaderia selloana 'Sunningdale Silver' (Pampas grass 'Sunningdale Silver')
• Corydalis flexuosa 'China Blue' (Blue corydalis 'China Blue')
• Corydalis flexuosa 'Purple Leaf' (Blue corydalis 'Purple Leaf')
• Corydalis solida (Solid-rooted fumewort)
• Corylus avellana 'Contorta' (Corkscrew hazel)
• Corylus maxima 'Kentish Cob' (Hazel 'Kentish Cob')
• Corylus maxima 'Purpurea' (Purple-leaved filbert)
• Cosmos atrosanguineus (Chocolate cosmos)
• Cotinus 'Flame' (Smoke bush 'Flame')
• Cotinus coggygria (Smoke bush)
• Cotinus coggygria 'Royal Purple' (Smoke bush 'Royal Purple')
• Cotinus coggygria 'Velvet Cloak' (Smoke bush 'Velvet Cloak')
• Cotoneaster atropurpureus 'Variegatus' (Variegated purple-flowered cotoneaster)
• Cotoneaster dammeri (Bearberry cotoneaster)
• Cotoneaster frigidus 'Cornubia' (Tree cotoneaster 'Cornubia')
• Cotoneaster horizontalis (Wall cotoneaster)
• Cotoneaster lacteus (Late cotoneaster)
• Cotoneaster simonsii (Himalayan cotoneaster)
• Crambe cordifolia (Greater sea kale)
• Crataegus laevigata 'Crimson Cloud' (Hawthorn 'Crimson Cloud')
• Crataegus laevigata 'Rosea Flore Pleno' (Hawthorn 'Rosea Flore Pleno')
• Crataegus monogyna (Common hawthorn)
• Crinodendron hookerianum (Chile lantern tree)
• Crinum x powellii (Swamp lily)
• Crocosmia 'Lucifer' (Montbretia 'Lucifer')
• Crocosmia 'Spitfire' (Montbretia 'Spitfire')
• Crocosmia masoniorum (Giant montbretia )
• Crocosmia x crocosmiiflora 'Emily McKenzie' (Montbretia 'Emily McKenzie')
• Crocosmia x crocosmiiflora 'Solfatare' (Montbretia 'Solfatare')
• Crocosmia x crocosmiiflora 'Star of the East' (Montbretia 'Star of the East')
• Cryptomeria japonica 'Elegans Compacta' (Japanese cedar 'Elegans Compacta')
• Cupressus macrocarpa 'Goldcrest' (Monterey cypress 'Goldcrest')
• Cyclamen coum (Eastern cyclamen)
• Cyclamen hederifolium (Ivy-leaved cyclamen)
• Cynara cardunculus (Globe artichoke)
• Cynoglossum nervosum (Hound's tongue)
• Cyrtomium falcatum (Holly fern)
• Cyrtomium fortunei (Hardy Japanese holly fern)
• Cytisus battandieri (Moroccan broom)
• Cytisus x kewensis (Cytisus x kewensis)
• Cytisus x praecox 'Albus' (Broom 'Albus')
• Dahlia 'Arabian Night' (Dahlia 'Arabian Night')
• Dahlia 'Bishop of Llandaff' (Dahlia 'Bishop of Llandaff')
• Dahlia 'Moonfire' (Dahlia 'Moonfire')
• Dahlia 'Roxy' (Dahlia 'Roxy')
• Danae racemosa (Alexandrian laurel)
• Daphne bholua 'Jacqueline Postill' (Nepalese paper plant 'Jacqueline Postill')
• Daphne odora 'Aureomarginata' (Gold-edged winter daphne)
• Daphne tangutica (Tangut daphne)
• Daphne tangutica Retusa Group (Daphne Retusa Group)
• Daphne x burkwoodii 'Somerset' (Burkwood daphne 'Somerset')
• Darmera peltata (Umbrella plant)
• Davidia involucrata (Handkerchief tree)
• Delosperma nubigenum (Yellow ice plant)
• Delphinium Blue Bird Group (Delphinium Blue Bird Group)
• Deschampsia cespitosa 'Bronzeschleier' (Tufted hairgrass 'Bronzeschleier')
• Deschampsia cespitosa 'Goldtau' (Tufted Hair Grass 'Golden Dew')
• Deschampsia flexuosa 'Tatra Gold' (Wavy hair grass 'Tatra Gold')
• Desfontainia spinosa (Spiny desfontainia)
• Deutzia x hybrida 'Magicien' (Deutzia 'Magicien')
• Deutzia x hybrida 'Mont Rose' (Deutzia 'Mont Rose')
• Dianthus 'Cranmere Pool' (Modern pink 'Cranmere Pool')
• Dianthus 'Diane' (Modern pink 'Diane')
• Dianthus 'Valda Wyatt' (Pink 'Valda Wyatt')
• Dianthus 'Whatfield Gem' (Alpine pink 'Whatfield Gem')
• Dianthus 'Widecombe Fair' (Pink 'Widecombe Fair')
• Diascia barberae 'Blackthorn Apricot' (Twinspur 'Blackthorn Apricot')
• Dicentra 'Bacchanal' (Bleeding heart 'Bacchanal')
• Dicentra 'Luxuriant' (Bleeding heart 'Luxuriant')
• Dicentra 'Stuart Boothman' (Bleeding heart 'Stuart Boothman')
• Dicentra spectabilis (Bleeding heart)
• Dicentra spectabilis 'Alba' (White bleeding heart)
• Dictamnus albus var. purpureus (Purple-flowered dittany)
• Dierama 'Guinevere' (White angel's fishing rod)
• Digitalis ferruginea (Rusty foxglove)
• Digitalis grandiflora (Large yellow foxglove)
• Digitalis purpurea 'Sutton's Apricot' (Foxglove 'Sutton's Apricot')
• Digitalis purpurea f. albiflora (White flowered common foxglove)
• Digitalis x mertonensis (Strawberry foxglove)
• Dodecatheon meadia (Shooting star)
• Doronicum 'Little Leo' (Leopard's bane 'Little Leo')
• Drimys lanceolata (Mountain pepper)
• Drimys winteri (Winter's bark)
• Drosanthemum hispidum (Drosanthemum hispidum)
• Dryopteris erythrosora (Copper shield fern)
• Dryopteris wallichiana (Alpine wood fern)
• Eccremocarpus scaber (Chilean glory flower)
• Echeveria secunda var. glauca (Glaucous echeveria)
• Echinacea 'Art's Pride' (Orange meadowbright)
• Echinacea 'Green Envy' (Coneflower 'Green Envy')
• Echinacea 'Harvest Moon' (Coneflower 'Harvest Moon')
• Echinacea 'Sunset' (Orange coneflower)
• Echinacea purpurea 'Kim's Knee High' (Coneflower 'Kim's Knee High')
• Echinacea purpurea 'Magnus' (Coneflower 'Magnus')
• Echinacea purpurea 'Razzmatazz' (Coneflower 'Razzmatazz')
• Echinacea purpurea 'Vintage Wine' (Coneflower 'Vintage Wine')
• Echinacea purpurea 'White Swan' (Coneflower 'White Swan')
• Echinops bannaticus 'Taplow Blue' (Globe thistle 'Taplow Blue')
• Echium pininana (Tree echium)
• Echium vulgare (Viper's bugloss)
• Echium wildpretii (Tower of Jewels )
• Elaeagnus 'Quicksilver' (Oleaster 'Quicksilver')
• Elaeagnus pungens 'Maculata' (Spotted oleaster)
• Elaeagnus x ebbingei (Ebbinge's silverberry)
• Elaeagnus x ebbingei 'Gilt Edge' (Oleaster 'Gilt Edge')
• Elaeagnus x ebbingei 'Limelight' (Oleaster 'Limelight')
• Embothrium coccineum (Chilean bush fire)
• Epimedium grandiflorum (Large-flowered barrenwort)
• Epimedium grandiflorum 'Lilafee' (Large-flowered barrenwort 'Lilafee')
• Epimedium grandiflorum 'Rose Queen' (Bishop's hat 'Rose Queen')
• Epimedium x rubrum (Red barrenwort)
• Epimedium x versicolor 'Sulphureum' (Bishop's hat 'Sulphureum')
• Epimedium x warleyense (Bishop's hat)
• Epimedium x youngianum 'Niveum' (Snowy barrenwort)
• Eranthis hyemalis (Winter aconite)
• Eranthis hyemalis Cilicica Group (Winter aconite Cilicica Group)
• Eremurus himalaicus (Fox tail lily)
• Eremurus robustus (Foxtail lily)
• Erica arborea 'Estrella Gold' (Tree heather 'Estrella Gold')
• Erica x veitchii 'Exeter' (Heather 'Exeter')
• Erigeron 'Dunkelste Aller' (Fleabane 'Darkest of All')
• Erigeron 'Four Winds' (Fleabane 'Four Winds')
• Erigeron karvinskianus (Mexican fleabane)
• Eriobotrya japonica (Loquat)
• Erodium x variabile 'Roseum' (Storksbill 'Roseum')
• Eryngium agavifolium (Agave-leaved sea holly )
• Eryngium alpinum (Alpine eryngo)
• Eryngium giganteum (Miss Willmott's ghost)
• Eryngium variifolium (Moroccan sea holly)
• Eryngium x oliverianum (Oliver eryngo)
• Eryngium x tripartitum (Tripartite eryngo)
• Erysimum linifolium 'Variegatum' (Variegated wallflower)
• Erythronium 'Pagoda' (Dog's tooth violet 'Pagoda')
• Erythronium californicum 'White Beauty' (Fawn lily 'White Beauty')
• Erythronium dens-canis (Dog's tooth violet)
• Escallonia 'Apple Blossom' (Escallonia 'Apple Blossom')
• Escallonia 'Donard Radiance' (Escallonia 'Donard Radiance')
• Escallonia 'Donard Seedling' (Escallonia 'Donard Seedling')
• Escallonia 'Iveyi' (Escallonia 'Iveyi')
• Escallonia 'Peach Blossom' (Escallonia 'Peach Blossom')
• Escallonia 'Red Elf' (Escallonia 'Red Elf')
• Escallonia laevis 'Gold Ellen' (Escallonia laevis 'Gold Ellen')
• Eucalyptus dalrympleana (Broad-leaved kindling bark)
• Eucalyptus gunnii (Cider gum)
• Eucalyptus pauciflora subsp. niphophila (Snow gum)
• Eucalyptus perriniana (Round-leaved snow gum)
• Eucomis bicolor (Two-coloured pineapple lily)
• Eucomis pole-evansii (Pineapple lily)
• Eucryphia x nymansensis 'Nymansay' (Nyman's hybrid eucryphia 'Nymansay')
• Euonymus alatus (Winged spindle tree)
• Euonymus alatus 'Compactus' (Compact winged spindle tree)
• Euonymus cornutus var. quinquecornutus (Five-horned spindleberry )
• Euonymus europaeus (Spindle)
• Euonymus europaeus 'Red Cascade' (Spindle 'Red Cascade')
• Euonymus fortunei 'Emerald Gaiety' (Spindle 'Emerald Gaiety')
• Euonymus fortunei 'Harlequin' (Spindle 'Harlequin')
• Euonymus fortunei 'Silver Queen' (Spindle 'Silver Queen')
• Euonymus fortunei 'Sunshine' (Spindle 'Sunshine')
• Euonymus fortunei 'Sunspot' (Spindle 'Sunspot')
• Euonymus japonicus 'Chollipo' (Spindle 'Chollipo')
• Euonymus japonicus 'Latifolius Albomarginatus' (Japanese spindle 'Latifolius Albomarginatus')
• Euonymus japonicus 'Microphyllus Albovariegatus' (Japanese spindle 'Microphyllus Albovariegatus')
• Euonymus planipes (Flat-stalked spindle tree)
• Euphorbia amygdaloides 'Purpurea' (Spurge 'Purpurea')
• Euphorbia characias subsp. wulfenii (Spurge wulfenii)
• Euphorbia cyparissias (Cypress spurge)
• Euphorbia griffithii 'Dixter' (Spurge 'Dixter')
• Euphorbia griffithii 'Fireglow' (Spurge 'Fireglow')
• Euphorbia mellifera (Honey spurge)
• Euphorbia myrsinites (Broad leaved glaucous spurge)
• Euphorbia palustris (Marsh spurge)
• Euphorbia polychroma (Many-coloured spurge)
• Euphorbia rigida (Rigid spurge)
• Euphorbia schillingii (Schilling spurge)
• Euphorbia sikkimensis (Sikkim spurge)
• Exochorda x macrantha 'The Bride' (Pearlbush 'The Bride')
• Fagus sylvatica (Common beech)
• Fagus sylvatica 'Dawyck' (Dawyck beech)
• Fagus sylvatica var. heterophylla 'Aspleniifolia' (Fern-leaved beech)
• Fargesia murielae (Umbrella bamboo)
• Fargesia murielae 'Simba' (Bamboo 'Simba')
• Fargesia nitida (Chinese fountain bamboo)
• Fatsia japonica (Japanese aralia)
• Festuca glauca 'Elijah Blue' (Blue fescue 'Elijah Blue')
• Ficus carica 'Brown Turkey' (Fig 'Brown Turkey')
• Filipendula ulmaria 'Aurea' (Meadowsweet 'Aurea' )
• Foeniculum vulgare (Common fennel)
• Foeniculum vulgare 'Giant Bronze' (Fennel 'Giant Bronze')
• Fothergilla major (Mountain witch alder)
• Francoa sonchifolia (Bridal wreath)
• Fraxinus angustifolia 'Raywood' (Claret ash)
• Fraxinus excelsior 'Jaspidea' (Ash 'Jaspidea')
• Fraxinus excelsior 'Pendula' (Weeping ash)
• Fraxinus ornus (Manna ash)
• Fritillaria imperialis 'Maxima Lutea' (Crown imperial 'Maxima Lutea')
• Fritillaria imperialis 'Rubra Maxima' (Crown imperial 'Rubra Maxima')
• Fritillaria meleagris (Snake's head fritillary)
• Fritillaria persica 'Adiyaman' (Fritillary 'Adiyaman')
• Fuchsia 'Genii' (Fuchsia 'Genii')
• Fuchsia 'Hawkshead' (Fuchsia 'Hawkshead')
• Fuchsia 'Mrs Popple' (Fuchsia 'Mrs Popple')
• Fuchsia 'Riccartonii' (Fuchsia 'Riccartonii')
• Fuchsia 'Tom Thumb' (Fuchsia 'Tom Thumb')
• Fuchsia magellanica 'Versicolor' (Hardy fuchsia 'Versicolor')
• Galanthus 'S. Arnott' (Snowdrop 'S. Arnott')
• Galanthus elwesii (Greater snowdrop)
• Galanthus nivalis (Common snowdrop)
• Galega officinalis 'Alba' (Goat's rue 'Alba')
• Galium odoratum (Sweet woodruff)
• Galtonia candicans (Summer hyacinth)
• Galtonia viridiflora (Green-flowered galtonia)
• Gardenia jasminoides 'Kleim's Hardy' (Gardenia 'Kleim's Hardy')
• Gaura lindheimeri (White gaura)
• Gaura lindheimeri 'Siskiyou Pink' (Gaura 'Siskiyou Pink')
• Gaura lindheimeri 'Whirling Butterflies' (Gaura 'Whirling Butterflies')
• Genista aetnensis (Mount Etna broom)
• Genista lydia (Lydian broom)
• Gentiana asclepiadea (Willow gentian)
• Geranium 'Ann Folkard' (Geranium 'Ann Folkard')
• Geranium 'Brookside' (Cranesbill 'Brookside')
• Geranium 'Johnson's Blue' (Geranium 'Johnson's Blue')
• Geranium 'Jolly Bee' (Cranesbill 'Jolly Bee')
• Geranium clarkei 'Kashmir White' (Geranium 'Kashmir White')
• Geranium dalmaticum (Dalmatian geranium)
• Geranium himalayense 'Gravetye' (Geranium 'Gravetye')
• Geranium macrorrhizum 'Ingwersen's Variety' (Geranium 'Ingwersen's Variety')
• Geranium macrorrhizum 'Spessart' (White groundcover cranesbill)
• Geranium maderense (Cranesbill )
• Geranium phaeum (Dusky cranesbill)
• Geranium phaeum 'Album' (Geranium 'Album')
• Geranium pratense 'Hocus Pocus' (Cranesbill 'Hocus Pocus')
• Geranium pratense 'Mrs Kendall Clark' (Meadow cranesbill 'Mrs Kendall Clark')
• Geranium pratense 'Plenum Violaceum' (Meadow cranesbill 'Plenum Violaceum')
• Geranium psilostemon (Armenian cranesbill)
• Geranium renardii (Renard geranium)
• Geranium sanguineum 'Album' (Bloody cranesbill 'Album')
• Geranium sylvaticum 'Mayflower' (Wood cranesbill 'Mayflower')
• Geranium wallichianum 'Buxton's Variety' (Geranium 'Buxton's Variety')
• Geranium x magnificum (Showy geranium)
• Geranium x oxonianum 'A.T. Johnson' (Geranium 'A.T. Johnson')
• Geranium x oxonianum 'Wargrave Pink' (Geranium 'Wargrave Pink')
• Geranium x riversleaianum 'Russell Prichard' (Geranium 'Russell Prichard')
• Geum 'Mrs J. Bradshaw' (Avens 'Mrs J. Bradshaw')
• Ginkgo biloba (Maidenhair tree)
• Gladiolus communis subsp. byzantinus (Byzantine gladiola)
• Gleditsia triacanthos 'Sunburst' (Honey locust 'Sunburst')
• Griselinia littoralis (New Zealand broadleaf)
• Griselinia littoralis 'Variegata' ( New Zealand broadleaf 'Variegata')
• Gunnera manicata (Giant rhubarb)
• Gunnera tinctoria (Giant rhubarb)
• Gypsophila paniculata 'Bristol Fairy' (Baby's breath 'Bristol Fairy')
• Gypsophila paniculata 'Compacta Plena' (Baby's breath 'Compacta Plena')
• Halimium 'Susan' (Rock rose 'Susan')
• Halimium lasianthum (Woolly rock rose)
• Hamamelis mollis (Chinese witch hazel)
• Hamamelis vernalis 'Sandra' (Witch hazel 'Sandra')
• Hamamelis x intermedia 'Arnold Promise' (Witch hazel 'Arnold Promise')
• Hamamelis x intermedia 'Diane' (Witch hazel 'Diane')
• Hamamelis x intermedia 'Jelena' (Witch hazel 'Jelena')
• Hamamelis x intermedia 'Pallida' (Witch hazel 'Pallida')
• Hardenbergia violacea (Purple coral pea)
• Hebe 'Autumn Glory' (Hebe 'Autumn Glory')
• Hebe 'Baby Marie' (Hebe 'Baby Marie')
• Hebe 'Great Orme' (Hebe 'Great Orme')
• Hebe 'Heartbreaker' (Hebe 'Heartbreaker')
• Hebe 'Marjorie' (Hebe' Marjorie')
• Hebe 'Mrs Winder' (Hebe 'Mrs Winder')
• Hebe 'Pascal' (Hebe 'Pascal')
• Hebe 'Pink Paradise' (Hebe 'Pink Paradise' )
• Hebe 'Red Edge' (Hebe 'Red Edge')
• Hebe 'Red Rum' (Hebe 'Red Rum')
• Hebe 'Silver Dollar' (Hebe 'Silver Dollar')
• Hebe 'Youngii' (Hebe 'Youngii')
• Hebe albicans (White hebe)
• Hebe ochracea 'James Stirling' (Hebe 'James Stirling')
• Hebe pimeleoides 'Quicksilver' (Hebe 'Quicksilver')
• Hebe pinguifolia 'Pagei' (Hebe 'Pagei')
• Hebe rakaiensis (Shrubby veronica)
• Hebe salicifolia (Willow-leaved hebe)
• Hedera colchica 'Dentata Variegata' (Ivy 'Dentata Variegata')
• Hedera colchica 'Sulphur Heart' (Paddy's pride)
• Hedera helix 'Glacier' (Ivy 'Glacier')
• Hedera helix 'Little Diamond' (Ivy 'Little Diamond')
• Helenium 'Chelsey' (Sneezeweed 'Chelsey')
• Helenium 'Moerheim Beauty' (Sneezeweed 'Moerheim Beauty')
• Helenium 'Rubinzwerg' (Sneezeweed 'Rubinzwerg')
• Helenium 'Sahin's Early Flowerer' (Sneezeweed 'Sahin's Early Flowerer')
• Helenium 'Wyndley' (Sneezeweed 'Wyndley')
• Helianthemum 'The Bride' (Rock rose 'The Bride')
• Helianthemum 'Wisley Primrose' (Rock rose 'Wisley Primrose')
• Helianthus 'Lemon Queen' (Sunflower 'Lemon Queen')
• Helictotrichon sempervirens (Blue oat grass)
• Helleborus argutifolius (Holly-leaved hellebore)
• Helleborus foetidus (Bear's foot hellebore)
• Helleborus niger (Christmas rose)
• Helleborus x sternii (Hellebore sternii)
• Hemerocallis 'Cherry Cheeks' (Daylily 'Cherry Cheeks')
• Hemerocallis 'Corky' (Daylily 'Corky')
• Hemerocallis 'Golden Chimes' (Daylily 'Golden Chimes')
• Hemerocallis 'Happy Returns' (Day lily 'Happy Returns')
• Hemerocallis 'Joan Senior' (Daylily 'Joan Senior')
• Hemerocallis 'Marion Vaughn' (Daylily 'Marion Vaughn')
• Hemerocallis 'Pardon Me' (Daylily 'Pardon Me')
• Hemerocallis 'Pink Damask' (Daylily 'Pink Damask')
• Hemerocallis 'Rocket City' (Daylily 'Rocket City')
• Hemerocallis 'Stafford' (Daylily 'Stafford')
• Hemerocallis 'Stella de Oro' (Day lily 'Stella de Oro')
• Hemerocallis 'Whichford' (Daylily 'Whichford')
• Hemerocallis fulva 'Flore Pleno' (Daylily 'Flore Pleno')
• Hemerocallis lilioasphodelus (Yellow day lily)
• Hesperis matronalis (Sweet rocket)
• Heuchera 'Amber Waves' (Alum root 'Amber Waves')
• Heuchera 'Beauty Colour' (Alum root 'Beauty Colour')
• Heuchera 'Caramel' (Alum root 'Caramel')
• Heuchera 'Chocolate Ruffles' (Alum root 'Chocolate Ruffles')
• Heuchera 'Pewter Moon' (Alum root 'Pewter Moon')
• Heuchera 'Rachel' (Alum root 'Rachel')
• Heuchera cylindrica 'Greenfinch' (Alum root 'Greenfinch')
• Hibiscus syriacus 'Oiseau Bleu' (Rose mallow 'Oiseau Bleu')
• Hibiscus syriacus 'Red Heart' (Rose mallow 'Red Heart')
• Hibiscus syriacus 'William R. Smith' (Rose mallow 'William R. Smith')
• Hibiscus syriacus 'Woodbridge' (Rose mallow 'Woodbridge')
• Hippophae rhamnoides (Sea buckthorn)
• Holboellia coriacea (Sausage vine)
• Holboellia latifolia (Sausage vine)
• Hosta 'Big Daddy' (Hosta 'Big Daddy')
• Hosta 'Blue Angel' (Plantain lily 'Blue Angel')
• Hosta 'Francee' (Plantain lily 'Francee')
• Hosta 'Frances Williams' (Plantain lily 'Frances Williams')
• Hosta 'Golden Tiara' (Plantain lily 'Golden Tiara')
• Hosta 'Honeybells' (Plantain lily 'Honeybells')
• Hosta 'Mediovariegata' (undulata) (Wavy plantain lily)
• Hosta 'Patriot' (Plantain lily 'Patriot')
• Hosta 'Reversed' (Plantain lily 'Reversed')
• Hosta 'Royal Standard' (Plantain lily 'Royal Standard')
• Hosta 'Shade Fanfare' (Plantain lily 'Shade Fanfare')
• Hosta 'So Sweet' (Plantain lily 'So Sweet')
• Hosta 'Sum and Substance' (Plantain lily 'Sum and Substance')
• Hosta 'Zounds' (Plantain lily 'Zounds')
• Hosta fortunei var. albopicta (Golden Fortune plantain lily)
• Hosta fortunei var. aureomarginata (Gold-edged plantain lily)
• Hosta lancifolia (Narrow leafed plantain lily)
• Hosta sieboldiana var. elegans (Giant blue hosta)
• Hosta undulata var. albomarginata (Variegated wavy plantain lily)
• Humulus lupulus 'Aureus' (Golden hop)
• Hydrangea 'Preziosa' (Hydrangea 'Preziosa')
• Hydrangea arborescens 'Annabelle' (Hydrangea 'Annabelle')
• Hydrangea arborescens 'Grandiflora' (Hydrangea 'Grandiflora')
• Hydrangea aspera subsp. sargentiana (Sargent hydrangea)
• Hydrangea aspera Villosa Group (Hydrangea aspera 'Villosa Group')
• Hydrangea macrophylla 'Ami Pasquier' (Hydrangea 'Ami Pasquier')
• Hydrangea macrophylla 'Lanarth White' (Hydrangea 'Lanarth White')
• Hydrangea macrophylla 'Mariesii Perfecta' (Hydrangea 'Mariesii Perfecta')
• Hydrangea macrophylla 'Nigra' (Hydrangea 'Nigra')
• Hydrangea paniculata 'Grandiflora' (Hardy white-flowered hydrangea)
• Hydrangea paniculata 'Kyushu' (Paniculate hydrangea 'Kyushu')
• Hydrangea quercifolia (Oak-leaved hydrangea)
• Hydrangea serrata 'Bluebird' (Hydrangea 'Bluebird')
• Hypericum 'Hidcote' (St John's wort 'Hidcote')
• Hypericum calycinum (Aaron's beard)
• Hypericum olympicum (Mount Olympus St John's wort)
• Hypericum x inodorum 'Elstead' (St John's wort 'Elstead')
• Hypericum x moserianum 'Tricolor' (St. John's Wort)
• Hyssopus officinalis (Hyssop)
• Iberis sempervirens (Perennial candytuft)
• Ilex aquifolium 'Argentea Marginata' (Silver-margined holly)
• Ilex aquifolium 'Bacciflava' (Yellow fruited holly)
• Ilex aquifolium 'Ferox Argentea' (Silver hedgehog holly)
• Ilex aquifolium 'Handsworth New Silver' (Holly 'Handsworth New Silver')
• Ilex aquifolium 'Madame Briot' (Holly 'Madame Briot')
• Ilex aquifolium 'Myrtifolia Aurea Maculata' (Holly 'Myrtifolia Aurea Maculata')
• Ilex aquifolium 'Pyramidalis' (Holly 'Pyramidalis')
• Ilex crenata 'Golden Gem' (Japanese holly 'Golden Gem')
• Ilex x altaclerensis 'Golden King' (Holly 'Golden King')
• Ilex x altaclerensis 'Lawsoniana' (Holly 'Lawsoniana')
• Ilex x meserveae 'Blue Angel' (Holly 'Blue Angel')
• Imperata cylindrica 'Rubra' (Cogon grass 'Rubra')
• Incarvillea delavayi (Chinese trumpet flower)
• Inula ensifolia (Swordleaf inula)
• Inula hookeri (Hooker inula)
• Inula magnifica (Fleabane)
• Ipheion 'Rolf Fiedler' (Spring starflower 'Rolf Fiedler')
• Ipheion uniflorum 'Wisley Blue' (Spring starflower 'Wisley Blue')
• Iris 'Attention Please' (Iris 'Attention Please')
• Iris 'Black Gamecock' (Iris 'Black Gamecock')
• Iris 'Bold Pretender' (Iris 'Bold Pretender')
• Iris 'Green Spot' (Iris 'Green Spot')
• Iris 'Jane Phillips' (Iris 'Jane Phillips')
• Iris 'Pixie' (Iris 'Pixie')
• Iris 'Pogo' (Iris 'Pogo')
• Iris 'Superstition' (Iris 'Superstition')
• Iris ensata 'Eden's Paintbrush' (Japanese water iris 'Eden's Paintbrush')
• Iris ensata 'Rose Queen' (Japanese water iris 'Rose Queen')
• Iris foetidissima (Stinking iris)
• Iris pallida subsp. pallida (Orris)
• Iris pseudacorus (Yellow iris)
• Iris reticulata (Early bulbous iris)
• Iris sibirica 'Caesar's Brother' (Siberian Iris 'Caesar's Brother')
• Iris sibirica 'Flight of Butterflies' (Siberian iris 'Flight of Butterflies')
• Iris sibirica 'Ottawa' (Siberian iris 'Ottawa')
• Iris unguicularis (Algerian iris)
• Itea ilicifolia (Holly-leaved sweet spire)
• Jasminum humile 'Revolutum' (Italian jasmine 'Revolutum')
• Jasminum mesnyi (Primrose jasmine)
• Jasminum nudiflorum (Winter jasmine)
• Jasminum officinale 'Argenteovariegatum' (Jasmine 'Argenteovariegatum')
• Jasminum officinale 'Inverleith' (Common white jasmine )
• Jasminum polyanthum (Many-flowered jasmine)
• Jasminum x stephanense (Stephan jasmine)
• Juglans nigra (Black walnut)
• Juglans regia (Common walnut)
• Juncus effusus f. spiralis (Corkscrew rush)
• Juniperus horizontalis 'Blue Chip' (Creeping juniper 'Blue Chip' )
• Juniperus scopulorum 'Blue Arrow' (Rocky Mountain juniper 'Blue Arrow')
• Juniperus squamata 'Blue Star' (Flaky Juniper 'Blue Star')
• Kerria japonica 'Golden Guinea' (Japanese rose 'Golden Guinea')
• Kerria japonica 'Pleniflora' (Double-flowering Japanese kerria)
• Kirengeshoma palmata (Palmate kirengeshoma)
• Kirengeshoma palmata Koreana Group (Yellow wax bells)
• Knautia macedonica (Macedonian scabious)
• Knautia macedonica 'Mars Midget' (Macedonian scabious 'Mars Midget')
• Kniphofia 'Little Maid' (Red hot poker 'Little Maid')
• Kniphofia 'Tawny King' (Red hot poker 'Tawny King')
• Kniphofia 'Timothy' (Red hot poker 'Timothy')
• Kniphofia caulescens (Red hot poker)
• Kniphofia uvaria 'Nobilis' (Torch lily 'Nobilis')
• Koelreuteria paniculata (Pride of India)
• Laburnum alpinum 'Pendulum' (Scotch laburnum 'Pendulum')
• Laburnum x watereri 'Vossii' (Voss's laburnum)
• Lamium maculatum 'White Nancy' (Spotted deadnettle 'White Nancy')
• Lamium orvala (Balm-leaved red deadnettle)
• Larix kaempferi (Japanese larch)
• Lathyrus latifolius 'Red Pearl' (Everlasting pea 'Red Pearl')
• Lathyrus vernus (Spring pea)
• Lathyrus vernus 'Alboroseus' (Spring pea 'Alboroseus')
• Laurus nobilis (Bay tree)
• Laurus nobilis 'Aurea' (Bay 'Aurea')
• Lavandula 'Helmsdale' (French lavender 'Helmsdale')
• Lavandula 'Regal Splendour' (French lavender 'Regal Splendour')
• Lavandula angustifolia 'Hidcote' (English lavender 'Hidcote')
• Lavandula angustifolia 'Imperial Gem' (English lavender 'Imperial Gem')
• Lavandula angustifolia 'Loddon Pink' (English lavender 'Loddon Pink')
• Lavandula angustifolia 'Miss Katherine' (English lavender 'Miss Katherine')
• Lavandula angustifolia 'Munstead' (Lavender 'Munstead')
• Lavandula angustifolia 'Nana Alba' (English lavender 'Nana Alba')
• Lavandula stoechas (French lavender)
• Lavatera maritima (Tree mallow)
• Lavatera x clementii 'Barnsley' (Tree mallow 'Barnsley')
• Leptospermum scoparium 'Red Damask' (Tea tree 'Red Damask')
• Lespedeza thunbergii (Thunberg lespedeza)
• Leucanthemella serotina (Autumn ox-eye)
• Leucanthemum x superbum 'Horace Read' (Shasta daisy 'Horace Read')
• Leucojum aestivum 'Gravetye Giant' (Summer snowflake 'Gravetye Giant')
• Leucojum vernum ( Spring snowflake)
• Leucothoe axillaris 'Curly Red' (Dog hobble 'Curly Red')
• Leycesteria formosa (Himalayan honeysuckle)
• Liatris spicata (Button snakewort)
• Liatris spicata 'Kobold' (Button snakewort 'Kobold' )
• Libertia formosa (Snowy mermaid)
• Libertia grandiflora (New Zealand satin flower)
• Libertia peregrinans (Wandering Chilean iris)
• Ligularia 'The Rocket' (Leopard plant 'The Rocket')
• Ligularia dentata 'Desdemona' (Leopard plant 'Desdemona')
• Ligularia przewalskii (Przewalski's golden ray)
• Ligustrum lucidum (Chinese privet)
• Ligustrum lucidum 'Excelsum Superbum' (Chinese privet 'Excelsum Superbum')
• Lilium 'Star Gazer' (Lily 'Star Gazer')
• Lilium candidum (Madonna lily)
• Lilium martagon (Turk's cap lily)
• Lilium martagon var. album (White Turk's cap lily)
• Lilium pardalinum (Leopard lily)
• Lilium regale (Regal lily)
• Linaria purpurea (Purple toadflax)
• Linum perenne (Blue flax)
• Liquidambar styraciflua 'Worplesdon' (Sweet gum 'Worplesdon')
• Liriodendron tulipifera 'Aureomarginatum' (Tulip tree)
• Liriope muscari (Big blue lilyturf)
• Liriope muscari 'Variegata' (Variegated blue lilyturf)
• Lithodora diffusa 'Heavenly Blue' (Purple gromwell 'Heavenly Blue')
• Lonicera caprifolium (Perfoliate honeysuckle)
• Lonicera etrusca 'Superba' (Honeysuckle 'Superba')
• Lonicera fragrantissima (Shrubby honeysuckle)
• Lonicera henryi (Honeysuckle)
• Lonicera japonica 'Aureoreticulata' (Japanese honeysuckle 'Aureoreticulata')
• Lonicera japonica 'Halliana' (Hall's Japanese honeysuckle)
• Lonicera japonica 'Mint Crisp' (Honeysuckle 'Mint Crisp')
• Lonicera japonica var. repens (Creeping Japanese honeysuckle)
• Lonicera nitida 'Baggesen's Gold' (Honeysuckle 'Baggesen's Gold')
• Lonicera periclymenum 'Belgica' (Early Dutch honeysuckle)
• Lonicera periclymenum 'Graham Thomas' (Honeysuckle 'Graham Thomas')
• Lonicera periclymenum 'Serotina' (Late Dutch honeysuckle)
• Lonicera pileata (Box-leaved honeysuckle)
• Lonicera similis var. delavayi (Delavay honeysuckle)
• Lonicera x brownii 'Dropmore Scarlet' (Honeysuckle 'Dropmore Scarlet')
• Lonicera x purpusii 'Winter Beauty' (Honeysuckle 'Winter Beauty')
• Lonicera x tellmanniana (Honeysuckle)
• Lotus hirsutus (Hairy canary clover)
• Luma apiculata 'Glanleam Gold' (Temu 'Glanleam Gold')
• Lupinus 'Chandelier' (Band of Nobles Series) (Lupin 'Chandelier')
• Lupinus 'Noble Maiden' (Band of Nobles Series) (Lupin 'Noble Maiden')
• Lupinus 'The Chatelaine' (Band of Nobles Series) (Lupin 'The Chatelaine' )
• Lupinus 'The Governor' (Band of Nobles Series) (Lupin 'The Governor')
• Lupinus arboreus (Tree lupin)
• Luzula nivea (Snowy woodrush)
• Lychnis chalcedonica (Maltese cross)
• Lychnis coronaria (Rose campion)
• Lychnis coronaria 'Alba' (White rose campion)
• Lysichiton americanus (Yellow skunk cabbage)
• Lysichiton camtschatcensis (Asian skunk cabbage)
• Lysimachia ciliata 'Firecracker' (Loosestrife 'Firecracker')
• Lysimachia clethroides (Gooseneck loosestrife)
• Lysimachia nummularia 'Aurea' (Golden creeping Jenny)
• Lythrum salicaria 'Blush' (Loosestrife 'Blush')
• Lythrum salicaria 'Feuerkerze' (Purple loosestrife 'Feuerkerze')
• Lythrum salicaria 'Robert' (Loosestrife 'Robert')
• Macleaya microcarpa 'Kelway's Coral Plume' (Plume poppy 'Kelway's Coral Plume')
• Magnolia 'Heaven Scent' (Magnolia 'Heaven Scent')
• Magnolia 'Jane' (Magnolia 'Jane')
• Magnolia 'Susan' (Magnolia 'Susan')
• Magnolia 'Vulcan' (Magnolia 'Vulcan')
• Magnolia grandiflora 'Exmouth' (Evergreen magnolia 'Exmouth')
• Magnolia grandiflora 'Goliath' (Magnolia 'Goliath' )
• Magnolia liliiflora 'Nigra' (Black lily magnolia)
• Magnolia sieboldii (Oyama magnolia)
• Magnolia sieboldii subsp. sinensis (Chinese magnolia)
• Magnolia stellata (Star magnolia)
• Magnolia wilsonii (Wilson magnolia)
• Magnolia x loebneri 'Leonard Messel' (Magnolia 'Leonard Messel')
• Magnolia x loebneri 'Merrill' (Magnolia 'Merrill')
• Magnolia x soulangeana 'Rustica Rubra' (Saucer magnolia 'Rustica Rubra')
• Mahonia aquifolium 'Apollo' (Oregon grape 'Apollo')
• Mahonia aquifolium 'Atropurpurea' (Oregon grape 'Atropurpurea')
• Mahonia japonica (Oregon grape)
• Mahonia x media 'Charity' (Oregon grape 'Charity')
• Mahonia x media 'Lionel Fortescue' (Oregon grape)
• Mahonia x media 'Winter Sun' (Oregon grape 'Winter Sun')
• Mahonia x wagneri 'Pinnacle' (Oregon grape 'Pinnacle')
• Malus 'John Downie' (Apple 'John Downie')
• Malus 'Royalty' (Crab apple 'Royalty')
• Malus floribunda (Japanese crab)
• Malus tschonoskii (Chonosuki crab)
• Malus x moerlandsii 'Profusion' (Crab apple 'Profusion')
• Malus x robusta 'Red Sentinel' (Crab apple 'Red Sentinel')
• Malus x scheideckeri 'Red Jade' (Crab apple 'Red Jade')
• Malus x zumi 'Golden Hornet' (Crab apple 'Golden Hornet')
• Malva moschata (Musk mallow)
• x Halimiocistus wintonensis 'Merrist Wood Cream' (Rock rose 'Merrist Wood Cream')