About

Amorpha canescens is a deciduous shrub that typically grows to about 100 cm tall. It features hairy, grey-white stems and aromatic, feathery leaves that range from 6 to 15 cm in length, consisting of 10 to 20 pairs of overlapping, oval-shaped leaflets. From late summer to early autumn, it produces tall spikes adorned with small flowers that vary in color from dark violet-purple to purple-blue, complemented by orange anthers.

About the genus

Amorpha consists of deciduous shrubs characterized by their pinnate foliage and clusters of small, single-petaled flowers that bloom in shades of deep purple or blue during the summer months.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained, Moist but well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Plant type
Shrubs
Habit
Suckering, Columnar upright, Bushy
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.5-1 metres
Time to full height
5-10 years
Suggested uses
Gravel garden, Mediterranean climate plants, Prairie planting
Native to
North America

Care notes

Cultivation
Grow in light, sandy, well-drained soil in sun or partial shade
Pruning
Pruning group 6
Propagation
Propagate by seed. Sow pre-soaked or scarified seed in autumn in containers in an open frame. Separate rooted suckers in autumn or winter
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to rust diseases and powdery mildews