Cobweb houseleek (Sempervivum arachnoideum) is a plant of succulent leaves that can grow up to 10cm tall and 10cm – 50cm wide.
This plant has several common names including: cobweb houseleek or cobweb sedum.
This is a evergreen plant that takes 5-10 years to reach full maturity.
Plant profile
Common name: cobweb houseleek, cobweb sedum
Scientific name: Sempervivum arachnoideum
Plant type: Cactus / Succulent
Habit: Mat forming
Height: Up to 10cm
Spread: 10cm – 50cm
Foliage: Evergreen
Sunlight: Full Sun
Soil: Loam, Sand
Moisture: Well drained
Garden type: Informal Garden, Patio & Container Garden, Rock & Gravel Garden
Planting type: Flower borders and bedding, Ground Cover, Hedging & Screens
Other characteristics: RHS Award of Garden Merit
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Cobweb houseleek (Sempervivum arachnoideum) – Daniel Ballmer, CC BY-SA 4.0, via Wikimedia Commons
Cultivation profiles – Growing Cobweb houseleek (Sempervivum arachnoideum) – Daniel Ballmer, CC BY-SA 4.0, via Wikimedia Commons
