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Annual Biennial

Lupinus nanus

dwarf blue lupin

A compact, bushy annual, 20-60cm high, with palmate leaves divided into up to 9 narrow leaflets. Stems and leaf undersides are coated with downy silvery hairs. Whorls of bicoloured pea-like flowers are borne on upright stems in late spring and early summer. Flowers are usually deep blue, or sometimes purple, pink or white, and always with a whitish blotch in the centre of the upper petal

Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Purple Pink White Green Grey Silver
Summer Blue Purple Pink White Green Grey Silver
Autumn Green Grey Silver
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H4
Botanical details
Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling
Genus

Lupinus can be annuals, perennials or shrubs, with palmate leaves and showy terminal racemes of pea-like flowers

Name status

Correct

How to grow

Cultivation

Grow in light, ideally slightly acidic, well-drained soil in full sun

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Wildflower meadow
  • Flower borders and beds
Pruning

Deadhead to encourage more flowers, unless seeds are required

Pests

May be susceptible to lupin aphid, slugs and snails

Diseases

May be susceptible to powdery mildews, lupin anthracnose and virus diseases

Get involved

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