Eryngium eburneum
yellow-tinged ivory white sea holly
A clump-forming, evergreen perennial with a basal rosette of spiny-toothed leaves up to 1m long. In late summer, pale green, arching, branched stems bear greenish-white, rounded flower clusters with small, spiny bracts
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green White | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H4Botanical details
- Family
- Apiaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Genus
Eryngium can be annuals, biennials or perennials with simple or divided leaves, often spiny edged, and cone-like flower-heads often surrounded by an involucre of conspicuous spiny bracts
- Name status
Correct
- Plant range
- South America
How to grow
Cultivation
Grow in moist but well-drained, fertile soil in full sun. Protect from winter wet
Propagation
Propagate by seed or division
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- City and courtyard gardens
- Gravel garden
- Wildlife gardens
- Flower borders and beds
Pruning
Cut back after flowering
Pests
May be susceptible to leaf and bud eelworms, and slugs and snails
Diseases
May be susceptible to root rot and powdery mildews
Get involved
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