False Indigo Bush (Amorpha fruticosa)
Estimated Height at Pickup: 1-2’, 1 gal
A.k.a. desert false indigo-bush and bastard indigo bush*. A woody nitrogen fixer with dark, butterfly bush-like bloom spikes! Can be allowed to grow into a large, airy bush, or pruned fall-late winter to encourage denser foliage.
Pollination: 2+ individuals needed.
Light: Full Sun, Part Sun/Shade
Soil Moisture: Wet, Wet Mesic, Mesic, Dry Mesic
Soil Type: Adaptable
Height: 4’-12’
Width: 6’-15’
Bloom Color: Purple
Bloom Time: Apr-Jun
Fruit: Seeds in small seedpods mature in fall.
Fall Color: Yellow
Root Type: Branching
Notable Wildlife Interactions: Flowers attract mainly bees. Hosts a few butterflies including the silver-spotted skipper, dogface sulphur, and dog faced prominent, as well as a few smaller insects. Rarely browsed by deer.
Notes: Tolerates seasonal flooding, poor soils, and dry soils. Contains indigo pigment, but in too small a quantity to be commercially viable.
*Both are misnomers, as it is native to a wide variety of habitats and regarded by many as a legitimate heir to the throne.