Amorpha herbacea
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Cluster-spike Indigo-bush
Fabaceae (Leguminosae)
Also known as Amorpha herbacea var. herbacea
Plant Specifics
| Form: | Shrub | |
| Size: | 3-4 ft tall by 3-4 ft wide | |
| Life Span: | Long-lived perennial | |
| Flower Color: | White,lavender | |
| Fruit Color: | Brown | |
| Phenology: | Deciduous. Blooms spring-summer. | |
| Noted for: | Showy flowers, Interesting foliage |
Landscaping
| Recommended Uses: | Can be used as a specimen plant in a sunny spot or as a moderately tall wildflower. | ||||||||||||||||||||||||||||||||||||||||||
| Propagation: | Seed, cuttings. | ||||||||||||||||||||||||||||||||||||||||||
| Availability: | Seed | ||||||||||||||||||||||||||||||||||||||||||
| Light: | Full Sun, Part Shade | ||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: |
always floodedextremely dry |
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| (Not wet but not extremely dry ----- to ----- Very long very dry periods) | |||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: | Not wet but not extremely dry ----- to ----- Very long very dry periods | ||||||||||||||||||||||||||||||||||||||||||
| Salt Water Flooding Tolerance: | Not salt tolerant of inundation by salty or brackish water. | ||||||||||||||||||||||||||||||||||||||||||
| Salt Spray/ Salty Soil Tolerance: | Low/no tolerance of salty wind or direct salt spray | ||||||||||||||||||||||||||||||||||||||||||
| Soil or other substrate: | Sand | ||||||||||||||||||||||||||||||||||||||||||
| Soil pH: | |||||||||||||||||||||||||||||||||||||||||||
Ecology
| Wildlife: |
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| Insects: | Larval host for silver spotted skipper (Epargyreus clarus) and southern dogface (Zerene cesonia) butterflies. Attracts butterflies and pollinators, especially native bees. | |
| Native Habitats: | Pine rocklands and in marl prairies (trasverse glades). |
Distribution and Planting Zones
Natural Range in Florida
USDA Zones
Suitable to grow in:
10A 8B 9A 9B
USDA zones are based on minimum winter temperatures
Comments
| General Comments: | A second subspecies, Amorpha herbacea subsp. crenulata is Endemic to Dade County. Considered to by Endangered by the State of Florida and by the USFWS. |