Allium stipitatum 'Mount Everest'
allium 'Mount Everest'
'Mount Everest' is a hardy perennial bulb, up to 1.2m tall, with grey-green, strap-shaped leaves. Fifty or more white, star-shaped flowers form tightly-packed balls, up to 12cm across, held on tall, ribbed stems in late spring and early summer
SynonymsAllium 'Mount Everest'
Ultimate height1–1.5 metres
Time to ultimate height2–5 years
Ultimate spread0.1–0.5 metres
MoistureMoist but well–drained, Well–drained
pHAcid, Alkaline, Neutral
Colour & scent
|Spring||White||Green Grey Silver|
|Summer||White||Green Grey Silver|
- Full sun
West–facing or East–facing or South–facing
- Native to the UK
- Columnar upright
Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem
- Name status
How to grow
Easy to grow in fertile well-drained soil. Add grit when grown in clay soils to improve drainage. See allium cultivation
Propagate by removing offsets in autumn
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- City and courtyard gardens
- Cut flowers
- Flower borders and beds
No pruning required
Generally pest free
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.