Helianthus radula
rayless sunflower
Asteraceae (Compositae)
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Plant Specifics
Form: flower
Life Span: annual
Flower Color:
brown

Fruit Color:
brown

Noted for: Showy flowers
Landscaping
Propagation: Seeds are available through the Florida Wildflowers Growers Cooperative.
Availability: Native nurseries, Seed
Light:

Moisture Tolerance: 

Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, loam
Ecology
Wildlife:


Native Habitats: Flatwoods. Moist to dry roadsides.
Distribution and Planting Zones
Natural Range in Florida

USDA Zones:
USDA zones are based on minimum winter temperatures
Suitable to grow in:
8A,8B,9A,9B
