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Eryngium eburneum (Sea holly)
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1 hour care
per year
per year
1.5m
Max height
Max height
0.6m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Eryngium eburneum
Other names
Sea holly, Eryngium paniculatum
Genus
Eryngium Eryngium
Species
E. eburneum - E. eburneum is a clump-forming, evergreen perennial with narrowly-linear, spiny, mid-green leaves and, in late summer, arching, branching stems bearing spherical umbels of greenish-white flowers with spiny, lance-shaped bracts.
Eryngium eburneum is: Evergreen
Habit
Clump-forming
Flower
Greenish-white in Summer
Foliage
Mid-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 after flowering.
Propagation
Will be slow to re-establish after division
Propagation methods
Division, Seed
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Where to grow
Eryngium eburneum (Sea holly) will reach a height of 1.5m and a spread of 0.6m after 2-5 years.
Suggested uses
Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife
Cultivation
Grows best in moist but well-drained soil in full sun. Tolerates drier conditions.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Eryngium eburneum
Other names
Sea holly, Eryngium paniculatum
Genus
Eryngium Eryngium
Species
E. eburneum - E. eburneum is a clump-forming, evergreen perennial with narrowly-linear, spiny, mid-green leaves and, in late summer, arching, branching stems bearing spherical umbels of greenish-white flowers with spiny, lance-shaped bracts.
Foliage
Evergreen
Habit
Clump-forming
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Colour
Flower
Greenish-white in Summer
Foliage
Mid-green in All seasons
How to care
Watch out for
Specific pests
Specific diseases
Foot and root rot , Powdery mildew
General care
Pruning
Cut back after flowering.
Propagation
Will be slow to re-establish after division
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Eryngium eburneum (Sea holly) will reach a height of 1.5m and a spread of 0.6m after 2-5 years.
Suggested uses
Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife
Cultivation
Grows best in moist but well-drained soil in full sun. Tolerates drier conditions.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
USDA zones
Zone 10, Zone 9, Zone 8, Zone 7
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, East | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Tender in frost (H3) | Tell us... |
GARDENS WITH THIS PLANT
ARTICLES WITH THIS PLANT
By garden designers James Callicott and Tony Wagstaff. Inspired by the coastline of Southend-on-Sea, the pier and the surrounding beach, the Southend Council ‘By The Sea’ garden offers a… read more
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