Eryngium amethystinum
Amethyst sea holly, Amethyst eryngo, Italian eryngo
Eryngium Eryngium
E. amethystinum - E. amethystinum is a clump-forming, deciduous to semi-evergreen perennial with oblong to ovate, pinnate, spiny, leathery leaves divided into oblong, lobed, mid-green leaflets and, from midsummer into autumn, branching, silvery-grey stems bearing blue, purple or white flower heads with spiny, silvery-blue bracts.
Eryngium amethystinum is: Evergreen
Rosette, Erect flower stem
White, Blue, Purple in Summer; Blue, Purple, White in Autumn
Grey-green in All seasons
Leaf and bud eelworms Leaf and bud eelworms
Foot and root rot , Powdery mildew Foot and root rot , Powdery mildew
Cut back flower stems after flowering, or leave the seedheads for winter interest.
Divide carefully. Slow to establish after division.
Seed, Root cuttings, Division
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Eryngium amethystinum (Amethyst sea holly) will reach a height of 0.7m and a spread of 0.7m after 2-5 years.
Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife
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.
Chalky, Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed
Hardy (H4)
We do not currently have companion plants added for this plant.
Eryngium amethystinum
Amethyst sea holly, Amethyst eryngo, Italian eryngo
Eryngium Eryngium
E. amethystinum - E. amethystinum is a clump-forming, deciduous to semi-evergreen perennial with oblong to ovate, pinnate, spiny, leathery leaves divided into oblong, lobed, mid-green leaflets and, from midsummer into autumn, branching, silvery-grey stems bearing blue, purple or white flower heads with spiny, silvery-blue bracts.
Italy
Evergreen
Rosette, Erect flower stem
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White, Blue, Purple in Summer; Blue, Purple, White in Autumn
Grey-green in All seasons
Foot and root rot , Powdery mildew
Cut back flower stems after flowering, or leave the seedheads for winter interest.
Divide carefully. Slow to establish after division.
Seed, Root cuttings, Division
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Eryngium amethystinum (Amethyst sea holly) will reach a height of 0.7m and a spread of 0.7m after 2-5 years.
Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife
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.
Chalky, Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
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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... |
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