Caltha palustris (Marsh marigold)
Other names: Water goggles, Water gowan, Yellow gowan, Water buttercup, Brave bassinets, Boots, Kingcup, Water cowslip, Water dragon, Publicans-and-sinners, Soldier's buttons, Water boots, Meadow cowslip, Publican's cloak, Marybuds, Meadow-bright, Horse blob, May blob, Goldings, Crowfoot, Bull flower, Cow lily
C. palustris is a rhizomatous herbaceous perennial, with glossy, rounded, heart-shaped leaves in deep-green and bright yellow flowers forming in clusters.
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0.5m max. spread |
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0.5m max. height |
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2-5 years to maturity |
Caltha polypetala (Giant marsh marigold)
Other names: Giant kingcup, Caltha palustris var. palustris
C. polypetala is a mound-forming, deciduous perennial with rounded to kidney-shaped, glossy, dark green leaves and clusters of bright yellow flowers in spring.
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0.6m max. spread |
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0.6m max. height |
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2-5 years to maturity |
Caltha palustris var. palustris 'Plena' (Marsh marigold 'Plena')
Other names: Kingcup 'Plena', Swamp marsh marigold 'Plena', Caltha palustris var. plena
'Plena' is a clump-forming, rhizomatous, herbaceous perennial with glossy, rounded to kidney-shaped dark green leaves and double, bright yellow flowers from late spring into summer.
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0.6m max. spread |
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0.5m max. height |
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2-5 years to maturity |
Caltha palustris 'Multiplex' (Marsh marigold 'Multiplex')
Other names: Kingcup 'Multiplex', Swamp marsh marigold 'Multiplex'
'Multiplex' is a compact, clump-forming, rhizomatous, deciduous perennial with glossy, rounded to kidney-shaped dark green leaves and double, bright golden-yellow flowers in spring.
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0.6m max. spread |
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0.3m max. height |
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2-5 years to maturity |
Caltha palustris var. alba (Marsh marigold 'Alba')
'Alba' is a rhizomatous herbaceous perennial, with glossy, rounded, heart-shaped, dark green leaves and, in early spring, slender stems bearing solitary, waxy, white flowers with yellow stamens.
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0.3m max. spread |
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0.25m max. height |
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2-5 years to maturity |
Caltha palustris var. radicans 'Flore Pleno' (Double yellow marsh margiold)
Other names: Yellow marsh marigold 'Flore Pleno', Miniature marsh marigold 'Flore Pleno'
'Flore Pleno' is a compact, clump-forming, rhizomatous, herbaceous perennial with glossy, rounded to heart-shaped dark green leaves and double, bright yellow flowers in spring.
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0.3m max. spread |
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0.2m max. height |
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2-5 years to maturity |
Epipactis palustris (Marsh helleborine)
Other names: Marsh orchid, Marsh epipactis, Helleborine palustris, Limodorum palustre
E. palustris is a terrestrial, rhizomatous, deciduous orchid with oblong to ovate, mid-green basal leaves and, in summer, an erect stem bearing narrowly lance-shaped stem leaves and a one-sided raceme of veined, purple-brown to reddish-brown flowers, greenish-white on the reverse with a yellow-marked, white lower petal. Flowers are followed by brown seed capsules containing tiny, dust-like seeds.
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1.5m max. spread |
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0.4m max. height |
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2-5 years to maturity |
Quercus palustris 'Green Pillar' (Pin oak 'Green Pillar')
Other names: Swamp oak 'Green Pillar', Quercus palustris 'Pringreen'
'Green Pillar' is an upright, narrowly columnar, deciduous tree with glossy, mid- to dark green leaves divided into five, bristle-tipped lobes, the entire leaf turning scarlet to deep red in autumn. Insignificant catkins of tiny, green flowers in spring are followed by ovoid, brown fruit.
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5m max. spread |
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20m max. height |
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20-50 Years to maturity |
Peucedanum palustre (Milk parsley)
Other names: Brimstone wort, Marsh hog's fennel, Milkweed, Thysselinum palustre
P. palustre is an upright biennial with hollow, grooved stems bearing finely divided, pinnate, mid-green leaves and flattened umbels of white flowers from midsummer into autumn.
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1m max. spread |
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1.5m max. height |
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2-5 years to maturity |
Potentilla palustris (Marsh cinquefoil)
Other names: Bog strawberry, Cowberry, Meadow nut, Purple marsh locks, Purple marshwort, Purplewort, Comarum palustre, Swamp cinquefoil
P. palustris is a deciduous perennial with toothed, grey-green, strawberry-like leaves and purple to maroon, bowl-shaped flowers in early summer.
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0.8m max. spread |
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0.5m max. height |
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2-5 years to maturity |
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