Graptopetalum superbum

RHS Plant Profile

graptopetalum 'Superbum'

Synonyms

Graptopetalum pentandrum 'Superbum'
Graptopetalum 'Superbum'

Cactus Succulent Conservatory Greenhouse Houseplants

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An evergreen, clump-forming, perennial succulent to around 20cm high with low-growing rosettes of silvery purple-pink succulent leaves which branch outwards. Star-shaped yellow-white flowers appear in spring

Position

Full sun

Soil Types

Loam, Sand

Size

Time to Maturity: 5–10 years

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: East–facing or North–facing or 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): H2
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: Graptopetalum are succulent perennials forming rosettes of ovate or triangular leaves, with starry or bell-shaped flowers in small clusters in spring or summer
Name Status: Correct
Plant Range: Mexico

How to Grow

Cultivation

Grow under glass in a peat-free, loam-based potting compost in full light. Water freely in spring and summer and apply a dilute low nitrogen liquid fertilzer monthly. Keep barely moist in autumn and winter

Propagation

Propagate by leaf cuttings or offsets. Leaf cuttings tend to be the most simple and effect method

Suggested planting locations and garden types

Houseplants
Patio and container plants
Low Maintenance
Conservatory and greenhouse

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free