• AGM plants

    AGM plants have been through a rigourous 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

Lathyrus latifolius 'White Pearl'

Everlasting pea 'White Pearl'

AGM plants

AGM plants have been through a rigourous 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
Everlasting pea 'White Pearl'

© � RHS 2001

  • Other common names Everlasting pea 'White Pearl'

  • Synonyms Lathyrus latifolius WEISSE PERLE
    Lathyrus 'Weisse Perle'

  • Genus Lathyrus can be annuals or herbaceous or evergreen perennials, mostly climbing, with pinnate leaves ending in a tendril, and showy pea-like flowers, fragrant in some species

  • Family Papilionaceae / Papilionaceae

  • Species 'White Pearl' is a vigorous climbing herbaceous perennial to 2m, with winged stems and paired grey-green leaflets bearing tendrils. Up to 11 pure white flowers 2-3cm in width are borne in racemes

Characteristics

  • Foliage Deciduous

  • Habit Climbing

  • Toxicity Acute ingestion may cause mild stomach upset

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    1-2 years

How to grow

Cultivation Can be grown as a climber or allowed to scramble over banks and slopes. It copes with sun or partial shade in fertile well-drained soil

Propagation Propagate by seed

Suggested planting locations and garden types Banks and Slopes Drought Resistant Wall-side Borders

How to care

Pruning Cut back to ground level in autumn

Pests May be attacked by aphids, slugs and snails

Diseases May be affected by powdery mildews

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