• 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

Galega × hartlandii 'Alba'

goat's rue 'Alba'

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
goat's rue 'Alba'

© RHS 2001

  • Other common names goat's rue 'Alba'

  • Family Papilionaceae

  • Genus Galega are robust bushy perennials with pinnate leaves and axillary racemes of pea-like flowers in summer and autumn

  • Details 'Alba' is an herbaceous perennial to 1.5m with copious pinnate leaves and erect, branched spikes of pea-shaped, white flowers 1cm in length

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

  • Partial Shade

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

  • Exposure Exposed

Soil

  • Sand

    Sand

  • Loam

    Loam

  • Chalk

    Chalk

  • Clay

    Clay

  • MoistureMoist but well-drained, Well-drained

  • SoilSand, Loam, Chalk, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in any, preferably moist soil, in full sun or partial shade. Needs staking and may spread in rich soils

Propagation Propagate by division between late autumn and spring

Suggested planting locations and garden types Flower borders and beds Cut Flowers Cottage & Informal Garden

How to care

Pruning Cut back flowered stems to prevent self-seeding

Pests Prone to pea and bean weevil

Diseases Generally disease free

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