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Annual Biennial

Lupinus luteus

yellow lupin

A bushy annual to around 60cm high, with palmate leaves divided into up to 9 narrow leaflets. Stems and leaf undersides are coated with downy silvery hairs. Upright spikes of pea-like, golden yellow flowers are produced in late spring and early summer, and followed by seeds which can be edible when processed correctly

Other common names
yellow lupine

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

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy, Columnar upright
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. The roots are nitrogen-fixing, so can be used as a summer green manure if plants are not allowed to seed

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

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