Baptisia alba

Photographs belong to the photographers who allow use for FNPS purposes only. Please contact the photographer for all other uses.

White Wild Indigo

Fabaceae (Leguminosae)

Plant Specifics

Size:2-5 ft tall by 2-4 ft wide
Life Span:Long-lived perennial
Flower Color:White
Fruit Color:Green,black
Phenology:Winter dormant. Flowers March-May.
Noted for:Showy flowers


Recommended Uses:Treat as a small shrub or use as a background plant in a wildflower garden. Can make a nice but tall border plant. Its flowers are more visible if planted against something that gives them contrast such as a dark fence. Assets  include its long racemes of white flowers and its leafy, rounded foliage.
Considerations:Toxic to livestock and humans.
Propagation:Seed (scarification beneficial but not required) or division of roots at the crown. Not tolerant of root disturbance once its root system has become established, so best planted as seed or small potted plant where is to remain. Requires several years to reach maturity. Seeds are available through the Florida Wildflowers Growers Cooperative
Availability:Native nurseries, FNPS plant sales
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Very long very dry periods)
Moisture Tolerance: Somewhat moist, no flooding ----- 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:Clay, Loam, Sand
Soil pH:Acidic to circum-neutral



Deer and rabbits browse the foliage, and as a legume it provides nutritious, protein-rich food. 


Larval host for wild indigo duskywing (Erynnis baptisiae) and Zarucco duskywing (Erynnis zarucco) butterflies.

Pollinated by bumble bees.

Native Habitats:Sandhill

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
8A 8B 9A 

USDA zones are based on minimum winter temperatures


General Comments:This plant is a legume and its roots have nitrogen-fixing nodules on them. It is useful on nutrient poor soils.