• 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

Abeliophyllum distichum

white forsythia

white forsythia

© RHS

  • Other common names white forsythia

  • Synonyms Forsythia abeliophyllum distichum

  • Family Oleaceae

  • Genus Abeliophyllum are lax, deciduous shrubs with paired ovate leaves and axillary racemes of fragrant flowers with 4 oblong lobes, borne on the bare stems in late winter or early spring

  • Details A. distichum is a scrambling deciduous shrub with slender branches bearing dark green leaves and racemes of forsythia-like, fragrant white or pale pink flowers 1cm across

  • Plant range Korea

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Flower

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • Sand

    Sand

  • Chalk

    Chalk

  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Sand, Chalk

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 1.5-2.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grows well in a sunny position although flowers and unripe wood may be damaged by frosts in late winter or early spring

Propagation Propagate by softwood cuttings or layering in summer

Suggested planting locations and garden types Wall-side Borders Flower borders and beds Patio & Container Plants Mediterranean Climate Plants

How to care

Pruning pruning group 5, or pruning group 13 if wall trained

Pests Generally pest free

Diseases Generally disease free

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