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Cactus Succulent

Huernia pillansii
  • RHS AGM

cocklebur

Clump-forming succulent to 4cm tall, with almost spherical, then finger-like, grey-green stems with dense, bristly tubercles (projections) in spiralling rows and bearing fleshy, densely red-warty and red-spotted cream to pink flowers 4cm across, pale yellow inside with crimson spots, from the base of new growth from summer to early autumn

Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Grey Silver Green
Summer Red Cream Pink Grey Silver Green
Autumn Red Cream Pink Grey Silver Green
Winter Grey Silver Green
Position
  • Full sun
  • Partial shade
Aspect

East–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

Unresolved

How to grow

Cultivation

Under glass grow in standard cactus compost with added leaf mould, in bright filtered or indirect light with low humidity. In growth, water moderately and apply half-strength, low-nitrogen liquid fertiliser monthly. Keep almost dry in winter

Propagation

Propagate by seed at 19-24°C in spring or propagate by rooting cuttings of stem sections in spring or summer

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

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free but may be susceptible to rots from overwatering

Get involved

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