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Annual BiennialClimber Wall Shrub

Lathyrus odoratus 'Solway Sapphire'

sweet pea 'Solway Sapphire'

'Solway Sapphire' is a compact, floriferous annual climber to 130cm in height. Flower stems to 15cm, flowers usually 3 per stem. Standards spreading and drooping, wings spreading and hooded, both blue-purple on top, white beneath. Slightly scented

Synonyms
Lathyrus odoratus 'Solway Blue Vein'
Size
Ultimate height
1–1.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Blue Purple White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Fabaceae
Native to GB / Ireland
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. Incorporate well-rotted organic manure before planting and apply a balanced liquid fertilizer every two weeks when in growth. Deadhead regularly to prolong flowering. See sweetpea cultivation for further information

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
  • Cut flowers
  • Flower borders and beds
  • Wall side borders
Pruning

Deadhead regularly and cut back after flowering

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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