• 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

Crataegus pinnatifida var. major 'Big Golden Star'

hawthorn 'Big Golden Star'

hawthorn 'Big Golden Star'

© RHS

  • Other common names hawthorn 'Big Golden Star'

  • Synonyms Crataegus pinnatifida 'Big Gold Star'
    Crataegus viridis 'Big Golden Star'

  • Family Rosaceae

  • Genus Crataegus are deciduous trees and shrubs, usually with spiny branches, lobed or toothed leaves, and clusters of creamy-white flowers followed by red or black fruits. Some have fine autumn colour

  • Details

    'Big Golden Star' is an upright, spreading, deciduous tree with few or no thorns and shredding bark. The lobed, long-stalked leaves are a glossy, bright green. In early summer bears flattened clusters of white flowers followed by large, edible, shiny, orange-red haws 3cm or more across

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)

    H7

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Grows in most soils and situations

Propagation Propagate by budding in mid-summer or grafting in winter

Suggested planting locations and garden types Cottage & Informal Garden Wildlife Gardens

How to care

Pruning Pruning group 1

Pests Prone to caterpillars, gall mites and aphids

Diseases May be affected by leaf spots, powdery mildews and fireblight

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