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Lathyrus latifolius 'White Pearl' AGM

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© RHS 2001

Characteristics

Plant type

Climber/Wall Shrub

Habit

Climbing

Toxicity

Acute ingestion may cause mild stomach upset

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

White in Autumn and Summer

Foliage

Green and Grey/Silver in Autumn, Spring and Summer

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

1-2 years


Preferred common name

everlasting pea 'White Pearl'

Family

Papilionaceae


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

'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

Synonym(s)

  • Lathyrus latifolius WEISSE PERLE
  • Lathyrus 'Weisse Perle'

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or West-facing
  • Sheltered or Exposed

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

Soil

  • Well-drained or Moist but well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by seed

Suggested planting locations and garden types

Banks and Slopes, Drought Resistant or 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