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
Ultimate height2.5–4 metres
Time to ultimate height2–5 years
Ultimate spread1.5–2.5 metres
MoistureMoist but well–drained, Well–drained
pHAcid, Alkaline, Neutral
Colour & scent
- Full sun
South–facing or West–facing or East–facing
- Native to the UK
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
How to grow
Requires a sheltered position in moist, well drained fertile soil in full sun
Suggested planting locations and garden types
- Cottage and informal garden
- Flower borders and beds
Cut back old flowering stems after they have finished
May be susceptible to root rot and powdery mildews
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.