Eryngium pandanifolium 'Physic Purple'
eryngo 'Physic Purple'
'Physic Purple' is an evergreen, herbaceous perennial with blue-green, sword-shaped leaves up to 2m long. Small, cone-like clusters of tiny red-purple flowers are produced on massive, branched flower stems up to to 4mtall, in from late summer to mid autumn
Buy this plant
Size
Ultimate height
2.5–4 metresTime to ultimate height
2–5 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue Green | |||
|---|---|---|---|---|
| Summer | Purple | Blue Green | ||
| Autumn | Purple | Blue Green | ||
| Winter | Blue Green |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H4Botanical details
- Family
- Apiaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Clump forming, Tufted
- 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
Accepted
How to grow
Cultivation
Requires a sheltered position in moist, well drained fertile soil in full sun
Propagation
Divide clumps in spring, although they may be slow to re-establish, or take root cuttings in late winter
Suggested planting locations and garden types
- Coastal
- Architectural
- Cottage and informal garden
- Flower borders and beds
Pruning
Cut back old flowering stems after they have finished
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
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.