Skip to site navigation

Lupinus arboreus AGM

Home  |  Plants > Plant Selector > Lupinus arboreus AGM

© RHS 2003

Characteristics

Plant type

Shrub

Habit

Bushy

Fragrance

Flower

Toxicity

All parts, particularly the seeds, may cause severe discomfort if ingested

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

Pale Yellow in Spring and Summer

Foliage

Green and Grey/Silver in Autumn, Spring, Summer and Winter

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

2-5 years


Preferred common name

tree lupin

Family

Papilionaceae


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

L. arboreus is a fast-growing medium-sized evergreen shrub with elegant palmate leaves and dense, erect racemes to 25cm in length, with fragrant, yellow flowers

Other common names

  • yellow bush lupine

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or West-facing
  • Sheltered

Cultivation

Grow in well-drained sandy soil in sun or partial shade

Soil

  • Well-drained
  • Acid or Neutral
  • Loam or Sand

Propagation

Propagate by seed or basal cuttings

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds, Cut Flowers, Wildflower meadow, Coastal or Low Maintenance


How to care

Pruning

No pruning generally required

Pests

Slugs, snails and aphids may be a problem

Diseases

May be affected by powdery mildew