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Alpine RockeryHerbaceous Perennial

Sempervivum 'Commander Hay'

houseleek 'Commander Hay'

'Commander Hay' is an evergreen, mat-forming perennial with fleshy rosettes to 10cm wide, the oblong leaves purplish-red with pointed green tips. Starry greenish-red flowers are carried on stems to 10cm tall

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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
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Purple Red Green
Summer Green Red Purple Red Green
Autumn Purple Red Green
Winter Purple Red Green
Position
  • Full sun
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H6
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

Accepted

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 seed sown in spring, or root offsets in spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Coastal
  • Rock garden
  • Garden edging
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to vine weevil

Diseases

May be affected by a rust

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