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Carmona

A genus of subtropical, fast-growing, evergreen shrubs with textured, thick, greyish-brown trunks and glossy, lobed dark green foliage which in its natural habitat can reach a height or around 3m. Small, fragrant white flowers appear all year round followed by small, green, red or black fruits. Cultivated as indoor bonsai trees due to their small stature and interesting features

Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring White Green Green Red Black
Summer White Green Green Red Black
Autumn White Green Green Red Black
Winter White Green Green Red Black
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Boraginaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Name status

Correct

How to grow

Cultivation

Grow indoors in a bright, sheltered location in slightly acidic, free-draining, bonsai compost. You can make your own bonsai compost with peat-free compost, sharp sand or grit, John Innes 3 and slow-release fertiliser. Water when required. See bonsai cultivation for further advice

Propagation

Propagate by seeds or cuttings in summer

Suggested planting locations and garden types
  • Architectural
  • Houseplants
  • Conservatory and greenhouse
Pruning

Prune regularly to encourage dense growth

Pests

May be susceptible to red spider mite, scale insects and glasshouse whitefly

Diseases

Generally disease free, but may be susceptible to fungal diseases

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.