• 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

Vitis vinifera 'Siegerrebe' (O/w/d)

grape 'Siegerrebe'

grape 'Siegerrebe'

© RHS

  • Other common names grape 'Siegerrebe'

  • Family Vitaceae

  • Genus Vitis are vigorous deciduous climbing shrubs with tendrils and attractively lobed leaves, insignificant green flowers followed by often edible fruits; some have excellent autumn foliage colour

  • Details 'Siegerrebe' is a moderately vigorous vine producing a moderate crop of white dessert grapes in the autumn. The size of the vine will depend upon the training method used

Characteristics

  • Foliage Deciduous

  • Habit Climbing

  • Toxicity Contact may irritate the skin

  • 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)

    H5

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilChalk, Loam, Sand

  • pHAlkaline, Neutral

Size

  • Ultimate height Higher than 12 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Train as required. Mulch with well rotted compost or manure in the first years after planting

Propagation Propagate by hardwood cuttings or grafting onto Phylloxera resistant rootstocks

Suggested planting locations and garden types Wall-side Borders

How to care

Pruning Pruning group 11 in midwinter and in midsummer, pruning group 12 for formal training. See also grape pruning

Pests May get glasshouse red spider mite and brown scale; mealybugs are a problem under glass

Diseases May be affected by powdery mildews and a downy mildew

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