• 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

Castanea sativa 'Albomarginata' (v)

sweet chestnut 'Albomarginata'

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
sweet chestnut 'Albomarginata'

© RHS

  • Other common names sweet chestnut 'Albomarginata'

  • Family Fagaceae

  • Genus Castanea are fast-growing and large deciduous trees or large shrubs, with long, toothed leaves and conspicuous yellow catkins followed by spiny fruits

  • Details 'Albomarginata' is a vigorous deciduous tree with toothed, lance-shaped leaves to 25cm long, margined with creamy-white, and pale yellow catkins in early summer

Characteristics

  • Foliage Deciduous

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained

  • SoilSand, Loam

  • pHAcid, Neutral

Size

  • Ultimate height Higher than 12 metres

  • Ultimate spread wider than 8 metres

  • Time to ultimate height more than 50 years

How to grow

Cultivation Grow in well-drained slighty acid loamy soil in full sun or part shade; tolerant of dry sandy soils

Propagation Propagate by seed in mid autumn (cultivars will not come true from seed), hardwood cuttings from early to mid winter, budding from mid to late summer

Suggested planting locations and garden types Low Maintenance Architectural

How to care

Pruning Pruning group 1

Pests Generally trouble free

Diseases Susceptible to chestnut blight, honey fungus and phytophthora root rot. Fungal brackets may develop on the trunk and infected trees may become unstable

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