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Climber Wall Shrub

Lathyrus odoratus 'Miss Willmott'
  • RHS AGM

sweet pea 'Miss Willmott'

An annual climber, up to around 1.5m high, with curling tendrils and pairs of green leaves. Strongly scented flowers, with coral coloured upper petals and pink wings, are produced in summer

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Pink Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Climbing
Potentially harmful
Pods and seeds are not edible. Wear gloves and other protective equipment when handling. Pets: Pods and seeds are not edible. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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

Name status

Accepted

How to grow

Cultivation

Grow in humus-rich, fertile, well-drained soil in full sun or light dappled shade. Provide support, and feed with a balanced liquid fertilizer every two weeks when in growth. See sweetpea cultivation for more detailed advice

Propagation

Propagate by seed. Sow in a cold frame in early autumn, early spring or in-situ in mid-spring. See sowing seeds indoors for further advice

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Climber and wall shrubs
  • Cut flowers
  • Wall side borders
Pruning

Cut regularly to encourage more flowers; allowing seed pods to form will stop plants from flowering

Pests

May be susceptible to aphids, slugs and snails

Diseases

May be susceptible to powdery mildews, Fusarium wilt and sweet pea viruses

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