Amorpha fruticosa - summer flowers
  • Amorpha fruticosa - flower close up
  • Amorpha fruticosa - summer flowers
  • Amorpha fruticosa - summer flowers

Amorpha fruticosa


(Indigo Bush) Amorpha fruticosa is unusual in the UK, growing to be a large shrub with pinnate green leaves and long, nearly black racemes of flowers in summer.

Pruned back over winter

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(False Indigo) A lovely, deciduous plant with exciting, indigo flowers native to the Southern United States which was first introduced to England in 1724. The leaves are pinnate (feather-like) and bright green in spring / summer before showing some yellow tints in a good, crisp autumn before falling.

In midsummer, Amorpha fruticosa has slender racemes of pretty deep purple-blue, nearly black flowers with bright golden stamen. These flowers are very popular with insects and butterflies. An attractive and unusual flowering shrub, ideal for a sunny border!

  • Position: Full sun or light, dappled shade.
  • Soil: Any well drained, fertile soil. Amorpha fruticosa will tolerate nutritionally poor soils well.
  • Hardiness: Very hardy. This plant is quite tolerant of windy conditions.
  • Flowering Period: July.
  • Rate of Growth: Moderate.
  • Habit: Amorpha fruticosa grows to be a large branching shrub with an open, rounded habit if left unpruned.
    • Height: 3 m (10 ft)
    • Spread: 3 m (10 ft)
  • Notes: Amorpha fruticosa can be pruned back hard if necessary to tidy or reduce the end size.
5 Items

Data sheet

How Much Sun
Full Sun
Eventual Size
Shrub - Large, Shrub - Medium
Growing Conditions
Soil: Dry/Sandy, Soil: Not Fussy, Soil: Acid, Site: Coastal Areas
Special Features
Flowers in Summer, Wildlife Friendly - Bees, Foliage - Unusual Shape