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Cactus Succulent

Huernia hystrix
  • RHS AGM

A clump-forming succulent producing 5-angled, pale green stems to 10cm long, edged with conical spines. In late summer it bears succulent, pale yellow flowers with burgundy bands and dots; the inner surface of the flower bears numerous spiny growths . Huernia flowers have an unpleasant smell to attract pollinating flies

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green Yellow Red
Autumn Green
Winter Green
Position
  • Partial shade
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H1B
Botanical details
Family
Apocynaceae
Native to the UK
No
Foliage
Evergreen
Habit
Clump forming
Genus

Huernia are a genus of perennial stem succulents native to Southern Africa and Arabia with green, thick and fleshy, often spiny stems and bell or funnel-shaped red, yellow or brown flowers

Name status

Correct

Plant range
South-eastern Zimbabwe, western Mozambique, Swaziland, S. Africa (Mpumalanga, KwaZulu-Natal, eastern and Northern Provinces) (data source: The Encyclopedia of Succulents online)

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How to grow

Cultivation

Grow in cactus compost with added leaf mould in full light with shade from hot sun. In growth, water moderately and apply a half-strength, low-nitrogen fertiliser monthly; keep almost dry in winter

Propagation

Propagate by sowing seed at 19-24°C in spring; root stem section cuttings in spring or summer

Suggested planting locations and garden types
  • Sub-tropical
  • Low Maintenance
  • Conservatory and greenhouse
Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to stem rot if overwatered

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