Bidens alba

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Plant Specifics

Size:1-3 ft ft tall by 1-3 ft ft wide
Life Span:Annual
Flower Color:White ray flowers, yellow disk flowers
Fruit Color:Black
Phenology:Blooms all year.
Noted for:Showy flowers


Recommended Uses:Casual settings, especially toward the rear of wildflower gardens
Considerations:Once you have this plant, you will always have this plant. It can be quite weedy. The seeds have barbs which stick to clothing and pet fur.
Propagation:Seed. But if you don't have it now, you will, so no need to plant. Pull seedlings leaving only a few plants to bring in the insects.
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Very long very dry periods)
Moisture Tolerance: Usually moist, occasional inundation ----- 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:Loam, Sand
Soil pH:Adaptable



Attracts native bees, butterflies.

Larval host for the  dainty sulphur (Nathalis iole) butterfly.

Native Habitats:Ruderal.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures


Ethnobotany:Young leaves are edible and the sap will stop small wounds from bleeding.
General Comments:Many of us think of this is a weed that we allow to grow for its value to insects.