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Annual Biennial

Lathyrus odoratus 'Bounce Mid Blue'

sweet pea 'Bounce Mid Blue'

A dwarf, compact, annual cultivar that forms hummocks to 30cm in height and spread, bearing racemes of up to 4 fragrant flowers in lavender shades

© RHS
© RHS
© RHS
© RHS
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Chalk
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Blue Green Grey Silver
Autumn Blue Green Grey Silver
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Fabaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
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

Unresolved

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How to grow

Cultivation

Grow in humus-rich, fertile, well-drained soil in full sun or very light dappled shade. Incorporate well-rotted organic manure before planting and apply a general liquid fertiliser every two weeks when in growth. See sweetpea cultivation

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
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Underplanting of roses and shrubs
  • Bedding
  • Flower borders and beds
  • Garden edging
Pruning

For a long and regular supply of blooms, cut flowers frequently, before they produce seed pods

Pests

May be susceptible to aphids, slugs and snails

Diseases

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

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.