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Pleiospilos nelii AGM

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© RHS

Characteristics

Plant type

Cactus/Succulent or Conservatory/Greenhouse

Habit

Mat forming

Resilience

Hardiness

H2 (tender - cool or frost-free greenhouse)

Colour

Flower

Orange and Pink in Summer

Foliage

Green and Grey/Silver in Autumn, Spring, Summer and Winter

Size

Ultimate height

Up to 10 cm

Ultimate spread

0-0.1 metre

Time to ultimate height

2-5 years


Preferred common name

splitrock

Family

Aizoaceae


Pleiospilos are small, stemless, succulent perennials mostly with one or two pairs of very fleshy, grey-green leaves united at the base, and daisy-like yellow or orange flowers, sometimes coconut-scented, in late summer and autumn

P. nelii is a succulent perennial with paired, hemispherical grey-green leaves to 8cm long, and daisy-like, pink-flushed, orange flowers 7cm across in late summer

Other common names

  • cleftstone
  • mimicry plant

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered

Cultivation

Under glass, grow in standard cactus compost in full light. From early summer to late autumn water sparingly but regularly and apply a low nitrogen liquid fertiliser every 4-6 weeks. Keep dry at all other times

Soil

  • Well-drained
  • Neutral or Acid
  • Sand, Chalk or Loam

Propagation

Propagate by seed at 19-24°C (66-75°F) or detach offsets, from late spring to summer

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pruning

No pruning required

Pests

Vulnerable to aphids while flowering

Diseases

Generally disease free