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Orostachys spinosa

spiny pennywort

A slow-growing perennial producing rosettes of grey-green leaves up to 10cm across. The short, fleshy leaves have spiny tips, and usually curve inwards but sometimes the longer, outer row opens out to give a sunflower-like effect. Dense, 30cm spikes of small, creamy flowers are sometimes produced in late summer

Synonyms
Sedum spinosum

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Size
Ultimate height
Up to 10cm
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Yellow Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
Aspect

West–facing or South–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H4
Botanical details
Family
Crassulaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus

Orostachys are low-growing perennials forming dense rosettes of short, fleshy leaves. Erect stems carry clusters of star-shaped flowers in summer or autumn. Individual rosettes die after flowering

Name status

Correct

Plant range
Russia to China

How to grow

Cultivation

Grow in very well-drained soil or compost in full sun. Although very hardy, plants will not tolerate wet or humid conditions so are better grown under cover in a well-ventilated, cold greenhouse or cold frame

Propagation

Propagate by rooting offsets in spring

Suggested planting locations and garden types
  • Gravel garden
  • Patio and container plants
Pruning

Rosettes die after flowering, so remove them carefully

Pests

May be susceptible to mealybugs

Diseases

Generally disease-free

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