Aeonium canariense var. subplanum

RHS Plant Profile
Canary Island flat giant houseleek

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Canary Island flat giant houseleek RHS

Synonyms

Aeonium subplanum

Cactus Succulent Conservatory Greenhouse

A succulent, to around 30cm tall, that forms cupped rosettes of glossy, light green, rounded leaves, tinged pink in dry or cold situations. Flowers can be produced in spring; a pale yellow flower spike emerging from the centre of a rosette. This rosette will then die, but will have formed offsets at its base to grow on

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
5–10 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
South–facing or West–facing or East–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)
H1C

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Crassulaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Tufted
Genus
Aeonium are evergreen succulents often of shrubby habit, with fleshy leaves in terminal rosettes on the shoots, and racemes or panicles of small, star-shaped flowers with numerous narrow petals
Name Status
Correct
Plant Range
Canary Islands (Gomera)

How to Grow

Cultivation

Grow under glass in a standard cactus compost, in bright, filtered light. grow outdoors in summer or very mild coastal locations. When in growth water moderately and feed every two or three weeks with a balanced liquid feed. Keep almost dry in the winter. See further houseplant cacti and succulent cultivation advice

Propagation

Propagate by rooting offsets

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Mediterranean climate plants

Pruning

No pruning required

Pests

May be susceptible to aphids and mealybugs

Diseases

Generally disease-free