Sempervivum pittonii

RHS Plant Profile
Pittoni houseleek
Award of Garden Merit
Alpine Rockery Cactus Succulent

A fleshy succulent evergreen with 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

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or East–facing or South–facing or North–facing
Exposure
Exposed or Sheltered
Hardiness
H5
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Crassulaceae
Native to GB/Ireland
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)

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 be susceptible to vine weevil attack

Diseases

May be susceptible to a rust