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Herbaceous Perennial

Astragalus canadensis

A perennial with leafy stems to 1.2m tall; leaves are divided into 15-35 small, elliptic leaflets up to around 3cm long. Densely-packed clusters of pea-like, white to greenish-yellow flowers are borne on spikes to 15cm long emerging from leaf axils at the ends of branching stems

Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green Yellow White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Fabaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus

Astragalus can be annuals or perennials, with usually pinnate leaves and pink, purple, yellow or white pea-flowers in terminal or axillary racemes or spikes

Name status

Correct

How to grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun or partial shade

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Cottage and informal garden
  • Prairie planting
  • Flower borders and beds
Pruning

Cut back in autumn

Pests

May be susceptible to pea and bean weevil

Diseases

Generally disease-free

Get involved

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