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Alpine RockeryCactus Succulent

Sempervivum pittonii
  • RHS AGM

Pittoni houseleek

S. pittonii has fleshy, tight, green rosettes tipped with red. Yellow starry flowers are borne on stems in summer. Individual rosettes die after flowering, but offsets ensure the plant continues

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Red
Summer Yellow Green Red
Autumn Green Red
Winter Green Red
Position
  • Full sun
Aspect

West–facing or East–facing or South–facing or North–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H5
Botanical 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

Correct

Plant range
Austria (Styria)

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How to grow

Cultivation

Grow in moderately fertile 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 potting up offsets

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

No pruning required

Pests

May suffer from vine weevil attack

Diseases

May be affected by a rust

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