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Eryngium giganteum 'Silver Ghost' (Tall eryngo 'Silver Ghost')

Beginner
skill rating
1 hour care
per year
0.6m
Max height
0.45m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Eryngium giganteum 'Silver Ghost'

Other names

Tall eryngo 'Silver Ghost'

Genus

Eryngium Eryngium

Variety or Cultivar

'Silver Ghost' _ 'Silver Ghost' is a clump-forming biennial or short-lived, evergreen perennial with rosettes of heart-shaped basal leaves, ovate, scalloped or toothed, grey-green stem leaves and, in summer, upright, branched stems bearing cone-like, pale blue flowerheads with narrow, conspicuous, spiny, silvery-white bracts.


Eryngium giganteum 'Silver Ghost' is: Evergreen

Habit

Clump-forming, Erect

Awards

RHS AGM (Award of Garden Merit)

Flower

Silvery-grey, Pale-blue in Summer

Foliage

Grey-green in All seasons

How to care

Watch out for

Specific pests

Leaf and bud eelworms Leaf and bud eelworms

Foot and root rot , Powdery mildew Foot and root rot , Powdery mildew

General care

Pruning

Cut back flower stems after flowering, or leave the seedheads for winter interest.

Propagation

Divide carefully. Slow to establish after division.

Propagation methods

Seed, Root cuttings, Division


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Where to grow

Eryngium giganteum 'Silver Ghost' (Tall eryngo 'Silver Ghost') will reach a height of 0.6m and a spread of 0.45m after 2-5 years.

Suggested uses

Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife

Cultivation

Grow in dry, poor or moderately fertile, well-drained soil in full sun. Protect from winter wet. Dislikes disturbance. Usually short-lived but tends to self-seed freely.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Eryngium giganteum 'Silver Ghost'

Other names

Tall eryngo 'Silver Ghost'

Genus

Eryngium Eryngium

Variety or Cultivar

'Silver Ghost' _ 'Silver Ghost' is a clump-forming biennial or short-lived, evergreen perennial with rosettes of heart-shaped basal leaves, ovate, scalloped or toothed, grey-green stem leaves and, in summer, upright, branched stems bearing cone-like, pale blue flowerheads with narrow, conspicuous, spiny, silvery-white bracts.

Foliage

Evergreen

Habit

Clump-forming, Erect

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Silvery-grey, Pale-blue in Summer

Foliage

Grey-green in All seasons


How to care

Watch out for

Specific pests

Leaf and bud eelworms

Specific diseases

Foot and root rot , Powdery mildew

General care

Pruning

Cut back flower stems after flowering, or leave the seedheads for winter interest.

Propagation

Divide carefully. Slow to establish after division.

Propagation methods

Seed, Root cuttings, Division


Monthly care advice


Where to grow

Eryngium giganteum 'Silver Ghost' (Tall eryngo 'Silver Ghost') will reach a height of 0.6m and a spread of 0.45m after 2-5 years.

Suggested uses

Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife

Cultivation

Grow in dry, poor or moderately fertile, well-drained soil in full sun. Protect from winter wet. Dislikes disturbance. Usually short-lived but tends to self-seed freely.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6, Zone 5

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Exposed Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

ARTICLES WITH THIS PLANT

On the Edge Garden

The garden, On The Edge, has been designed by RHS Chelsea Flower Show Gold Winner Frederic Whyte and built by Charles Benton, of co-sponsors Benton Landscapes. read more


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