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Herbaceous PerennialClimber Wall Shrub

Lathyrus sylvestris

narrow-leaved everlasting pea

A climbing perennial to 2m tall with broadly-winged stems and leaves comprising a pair of narrowly lanceolate leaflets up to 15cm long with a branched tendril. Racemes of 4-10 rose-pink flowers marked with green and purple, each up to 2cm long, are borne in summer and early autumn

Other common names
flat pea
everlasting pea
see moreperennial pea
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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Purple Green
Autumn Pink Purple Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or East–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Fabaceae
Native to GB / Ireland
Yes
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

Correct

Plant range
Europe & Morocco

How to grow

Cultivation

Needs fertile, well-drained soil in full sun or light shade, and can be trained up a support, or be allowed to scramble. See sweetpea cultivation for further information

Propagation

Propagate by seed

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
  • Wall side borders
  • Climber and wall shrubs
Pruning

Deadhead to prolong flowering and cut back in autumn

Pests

May be susceptible to aphids, slugs and snails

Diseases

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

Get involved

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