• 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

Escallonia rubra var. macrantha

Chilean gum box

  • Other common names Chilean gum box

  • Synonyms Escallonia macrantha
    Escallonia sanguinea

  • Family Escalloniaceae

  • Genus Escallonia are evergreen shrubs with glossy, leathery, toothed leaves, sometimes sticky, and 5-petalled white, pink or red flowers in terminal racemes or panicles in summer and early autumn

  • Details E. rubra var. macrantha is a large, evergreen shrub to about 5m with small, glossy, dark green leaves. Loose clusters of tubular, pink to dark reddish-pink flowers appear from mid-summer to autumn

  • Plant range Chile, Argentina

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

  • Sand

    Sand

  • MoistureMoist but well-drained, Well-drained

  • SoilChalk, Clay, Loam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grows best in well-drained soil in a sunny position protected from cold, drying winds

Propagation Propagate by softwood cuttings in early summer, semi-ripe cuttings in late summer or hardwood cuttings late autumn to winter

Suggested planting locations and garden types Flower borders and beds Hedging & Screens City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning Pruning group 9

Pests Scale insects can be a problem

Diseases May be affected by Escallonia leaf spot

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