• 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 monogyna 'Ferox'

hawthorn 'Ferox'

© RHS
  • Other common names hawthorn 'Ferox'

  • 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 'Ferox' is a large shrub or small tree, up to 8m high, with lobed leaves and creamy-white scented flowers in late spring or early summer, followed by red fruits in autumn. It differs from the species in having clusters of thorns at the stem nodes; vigorous juvenile shoots, particularly after hard pruning, can appear like lengths of barbed wire

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)

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Loam

    Loam

  • Chalk

    Chalk

  • Clay

    Clay

  • Sand

    Sand

  • MoistureMoist but well-drained, Well-drained

  • SoilLoam, Chalk, Clay, Sand

  • pHNeutral, Alkaline, Acid

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Grow in full sun or partial shade in well-drained, moisture-retentive soil. Once established, will tolerate drought and excessively moist soils; will also tolerate atmospheric pollution, exposure, and limey soils

Propagation Propagate by grafting, using scion wood of the previous season's growth, onto rootstocks of Crataegus laevigata or C. monogyna

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

How to care

Pruning Pruning group 1

Pests May be affected by aphids, woolly aphid, scale insects, mussel scale, fruit tree red spider mite, and caterpillars of winter moth, magpie moth, leopard moth, vapourer moth, grey dagger moth, small ermine moth, lackey moth, hawthorn webber moth and hawthorn button top midge

Diseases May be affected by honey fungus, a canker, crown gall, fireblight, powdery mildews, silver leaf, and various spots, blotches or scorched leaves caused by fungi

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