• 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

Corylus maxima 'Kentish Cob' (F)

hazel 'Kentish Cob'

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
  • Other common names hazel 'Kentish Cob'

  • Synonyms Corylus maxima 'Lambert's Filbert'
    Corylus maxima 'Longue d'Espagne'

    Corylus maxima 'Grote Lambertsnoot'
    Corylus 'Hazel Kent Cob'

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  • Family Betulaceae

  • Genus Corylus are deciduous trees and large shrubs with broad leaves, and showy male catkins in early spring, followed by edible nuts

  • Details 'Kentish Cob' is a large deciduous shrub with broad green leaves. Pendulous, pale yellow catkins are followed by an edible nut. This is a reliable filbert with a good flavour; growing at least 2 cultivars ensures cross pollination

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

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

  • Sand

    Sand

  • MoistureMoist but well-drained, Well-drained

  • SoilChalk, Clay, Loam, Sand

  • pHAlkaline, Neutral

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation For fruit production, grow as a goblet-shaped bush. Keep clear soil in a 60cm radius around trunk

Propagation Propagate by chip budding in mid- to late summer or grafting onto clonally produced rootstocks or seedlings in late winter.

Suggested planting locations and garden types Hedging & Screens Low Maintenance Cottage & Informal Garden Wildlife Gardens Wildflower meadow

How to care

Pruning Brutting or breaking sideshoots half way along their length in August followed by shortening the brutted shoots to 3-4 buds when the catkins are shedding pollen in late winter. When necessary remove up to one third of old overcrowded shoots to the main branches

Pests Prone to caterpillars, mites and sawflies; squirrels like to feed on the nuts

Diseases Generally disease free

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