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Cactus SucculentAlpine RockerySynonym

Sedum serpentini
  • RHS Plants for pollinators

white stonecrop

A mat-forming, succulent, evergreen perennial to 10cm tall, with fleshy, cylindrical leaves; in autumn the foliage takes on a red flush. In summer it produces clusters of starry white flowers on branched stems above the foliage

Other common names
prick-madam
tall white stonecrop
see morethick-leaved stonecrop
worm grass
Synonyms
Sedum athoum
Sedum serpentini
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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green Red
Winter Green Red
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H4
Botanical details
Family
Crassulaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus

Sedum may be annuals or herbaceous or evergreen perennials with succulent stems and leaves and clusters of small, star-shaped flowers in summer or autumn

Name status

Correct

Plant range
Europe to Medit., Iran

How to grow

Cultivation

Grow in a sheltered position in moderately fertile, well-drained, alkaline to neutral soil in full sun. See hardy cacti and succulent cultivation for further advice

Propagation

Propagate by softwood cuttings

Suggested planting locations and garden types
  • Coastal
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Low Maintenance
Pruning

Trim back after flowering to maintain shape

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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