AMORPHA

FAMILY: Papilionaceae

TYPE
  • Shrubs
  • Deciduous
SUN EXPOSURE
  • Full Sun
WATER
  • Moderate Water
PLANTING ZONES
  • US (Upper South) / Zone 6
  • MS (Middle South) / Zone 7
  • LS (Lower South) / Zone 8
  • CS (Coastal South) / Zone 9

Plant Details

Shrubs with leaves divided featherwise into many leaflets. Spikelike, 3- to 6 inches-long clusters of blue or purple, single-petaled flowers typically bloom in early summer. In cold weather, plants may die back nearly to the ground; in warmer areas, they should be cut back severely to prevent lankiness. Tough and undemanding, withstanding heat and wind. Butterflies love the flowers.

lead plant

INDIGO BUSH

amorpha canescens

  • Native to the High Plains from Canada to Texas.
  • About 3 feet tall and wide, with silvery, downy foliage.

indigo bush, false indigo

amorpha fruticosa

  • Native to eastern U.S. Lanky grower reaches 1015 feet tall and wide, with light green foliage.
  • Needs hard pruning in winter or early spring to maintain some degree of compactness.

amorpha texana(Amorpha roemeriana)

  • Native to the Texas Hill Country.
  • Grows to 39 feet high and 35 feet wide, with silvery, downy leaves and spring bloom.
  • This shrub is quite drought tolerant, requiring little supplemental water.

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