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Cactus SucculentHouseplants

Haworthia retusa
  • RHS AGM

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H. retusa is a succulent perennial with rosettes of very thick, triangular, translucent green leaves, with small tubular white flowers in racemes to 50cm tall, in late winter

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0–0.1 metre
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green
Winter White Green
Position
  • Full sun
Aspect

East–facing or North–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Asphodelaceae
Native to the UK
No
Foliage
Evergreen
Habit
Matforming
Genus

Haworthia are stemless succulent perennials forming rosettes of fleshy leaves often bearing white tubercles, and with tubular flowers in racemes

Name status

Correct

Plant range
South Africa

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How to grow

Cultivation

Grow under glass in a standard cactus compost, in full light. Provide low humidity. Water freely when in growth and keep just moist at other times. Apply a dilute low nitrogen fertilizer fortnightly during late spring and summer. Stand outside in summer

Propagation

Propagate by seed or offsets

Suggested planting locations and garden types
  • Patio and container plants
Pruning

No pruning required

Pests

Mealybugs may be a problem

Diseases

Generally disease free

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