• 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

Cornus alba L.

red-barked dogwood

  • Other common names red-barked dogwood
    white dogwood

    white-berried dogwood
    Tartarian dogwood
    Tatarian dogwood

    see more
  • Synonyms Cornus tatarica
    Swida alba

  • Family Cornaceae

  • Genus Cornus can be deciduous shrubs or trees, or creeping, woody-based perennials, some with brightly coloured young stems. Tiny flowers are borne in dense clusters, sometimes with showy bracts. Many have fine autumn colour

  • Details

    C. alba is a vigorous, suckering shrub with red stems, conspicuous in winter, and dark green foliage which takes on red or orange autumn tints. Flat heads of inconspicuous, creamy flowers in late spring and early summer are followed by bunches of small, white berries

  • Plant range E & N Asia

Characteristics

  • Foliage Deciduous

  • Habit Suckering

  • 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 East-facing or West-facing

  • Exposure Sheltered or Exposed

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Loam

  • pHNeutral, Acid, Alkaline

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Will grow in most soil conditions; tolerates partial shade but colours best in sun

Propagation Propagate by hardwood cuttings

Suggested planting locations and garden types Flower borders and beds Low Maintenance Banks and Slopes Cottage & Informal Garden Wildlife Gardens

How to care

Pruning Pruning group 7

Pests Generally pest free

Diseases May suffer from cornus anthracnose diseases

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