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Lathyrus odoratus 'Valerie Harrod' AGM

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© RHS

Characteristics

Plant type

Annual/Biennial or Climber/Wall Shrub

Habit

Climbing

Fragrance

Flower

Toxicity

Acute ingestion may cause mild stomach upset

Resilience

Hardiness

H2 (tender - cool or frost-free greenhouse)

Colour

Flower

Cream and Dark Pink in Autumn and Summer

Foliage

Green in Autumn and Summer

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

1-2 years


Preferred common name

sweet pea 'Valerie Harrod'

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

'Valerie Harrod' is a vigorous annual climber to 2.1m, the fragrant flowers cream with a deep coral-pink flush, slightly paler on the wings

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or East-facing
  • Sheltered or Exposed

Cultivation

Grow in humus-rich, fertile, well-drained soil in full sun or light dappled shade. Incorporate well-rotted organic manure before planting and apply a balanced liquid fertilizer every two weeks when in growth. Deadhead regularly

Soil

  • Well-drained
  • Acid, Neutral or Alkaline
  • Loam or Sand

Propagation

Propagate by seed. Sow in a cold frame in early autumn, early spring or in-situ in mid-spring

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Cut Flowers or Wall-side Borders


How to care

Pruning

Deadhead regularly and cut back after flowering

Pests

May be attacked by aphids, slugs, snails and thrips

Diseases

May be subject to powdery mildew, Fusarium wilt, foot rot, root rot and a virus