• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Codiaeum variegatum var. pictum (v)

garden croton

garden croton

© RHS

  • Other common names garden croton
    sun-spot croton

    croton

    see more
  • Family Euphorbiaceae

  • Genus Codiaeum are evergreen shrubs, trees and perennials with large, leathery, often variegated, leaves. Sprays of tiny white or yellow, star-shaped flowers may appear in summer

  • Details C. variegatum var. pictum is an upright, evergreen shrub with thick, leathery, often deeply-lobed leaves. These are rich green, heavily veined with yellow when young and developing variable red flushing with age. Sprays of small, white, star-shaped flowers may appear in summer

  • Plant range S & SE Asia

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Toxicity Sap may cause skin irritation

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H1B

Colour

Sunlight

  • Partial Shade

  • Aspect West-facing or East-facing or North-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow under glass in loam-based potting compost in good light but shaded from hot sun, with high humidity

Propagation Propagate by air layering in spring, or root softwood cuttings with bottom heat in summer, after dipping the cut ends in powdered charcoal to reduce bleeding

Suggested planting locations and garden types Patio & Container Plants Sub-tropical

How to care

Pruning Pruning group 9. Cut back leggy plants to about 10cm and dust wounds with powdered charcoal to reduce bleeding

Pests Prone to scale insects and glasshouse red spider mite

Diseases Generally problem free

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