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Aeonium 'Zwartkop'
  • RHS AGM

aeonium 'Zwartkop'

A succulent evergreen perennial of open habit, with rosettes of deep blackish-purple leaves, and large panicles of small, starry, bright yellow flowers in early spring

Synonyms
Aeonium arboreum 'Arnold Schwarzkopff'
Aeonium arboreum 'Zwartkop'
see moreAeonium arboreum Blackhead
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Black Purple
Summer Black Purple
Autumn Black Purple
Winter Black Purple
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H1C
Botanical details
Family
Crassulaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
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

Accepted

How to grow

Cultivation

Grow under glass in a loam-based potting compost with added extra grit. Water moderately when in growth, not at all when dormant. Apply a balanced liquid fertiliser 2 or 3 times in the growing season. See houseplant cacti and succulent cultivation for further advice

Propagation

Propagate by seed sown at 19-24°C in spring or by cuttings of rosettes kept at 18°C and barely moist until rooted

Suggested planting locations and garden types
  • Architectural
  • Coastal
  • City and courtyard gardens
  • Sub-tropical
  • Mediterranean climate plants
  • Conservatory and greenhouse
Pruning

No pruning required

Pests

May be susceptible to aphids and mealybugs

Diseases

Generally disease-free

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.