Sedum rupestre 'Cristatum'

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Synonyms

Sedum reflexum 'Cristatum'

Cactus Succulent Alpine Rockery
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An unusual cultivar forming a curious, low mound of flattened, crested (cristate) stems. The fleshy and cylindrical leaves are bright green, but take on a pinkish flush in very sunny or very cold weather

Position

Full sun

Soil Types

Chalk, 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

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H4
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
Clump forming
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
Accepted

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 in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Conservatory and greenhouse

Pruning

Trim back after flowering to maintain shape

Pests

May be susceptible to slugs, snails, vine weevil grubs, scale insects and mealybugs

Diseases

May be susceptible to fungal and bacterial crown and root rots