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false indigo bush

false indigo bush

Amorpha fruticosa

shrub☀️ full sun💧 low waterZone 3aZone 9b

A hardy, fast-growing shrub with fine-textured foliage and distinctive purple-blue flowers arranged in dense spikes. It is drought-tolerant once established and useful for erosion control and naturalized plantings.

Overview

Form
Upright
Growth Rate
fast
Size
4–15′ tall × 4–8′ wide
Dormancy
deciduous

Tolerances & Soil

moderate
Zone 3aZone 9b
1471013
ColderWarmer
Zone range: Zone 3a to Zone 9b

pH Range

58.5
7.0
3.556.589
pH range: 5 to 8.5

Soil Texture

Coarse, Medium

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

Succession Role

pioneerearly successional

Native to the United States

Native Range

Central and eastern North America

Native to: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia, Wisconsin

Function & Care

biomass/mulcherosion controlhedgerownitrogen fixerpollinator nectarywildlife benefit
Nitrogen Fixer · Moderate
Coppicing

Establishment & Care

Establishment
easy
Maintenance
low
Propagation
seed, cutting, sucker