Sempervivum 'Red Devil'
A mat-forming, evergreen perennial comprising rosettes of pointed, lightly hairy, succulent leaves predominantly red to reddish-brown in colour with some green at the leaf base under certain conditions. Starry,pink flowers may be borne in terminal clusters on leafy stems in summer
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Brown Red | |||
|---|---|---|---|---|
| Summer | Pink | Green Brown Red | ||
| Autumn | Green Brown Red | |||
| Winter | Green Brown Red |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Crassulaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Matforming
- Genus
Sempervivum are evergreen perennials forming mats of fleshy-leaved rosettes, often attractively coloured, with star-shaped pink or pale yellow flowers in summer
- Name status
Accepted
How to grow
Cultivation
Grow in moderately fertile, very well-drained soil in full sun. Protect from excessive winter wet. Suitable for rock garden, scree bed, wall crevice, trough or alpine house
Propagation
Propagate by rooting offsets in spring
Suggested planting locations and garden types
- Gravel garden
- Patio and container plants
- Rock garden
- Low Maintenance
Pruning
Rosettes die after flowering and should be carefully removed
Pests
May be susceptible to vine weevil
Diseases
May be susceptible to a rust
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.