Helianthus radula

Photo by Shirley Denton. Photograph belongs to the photographer who allows use for FNPS purposes only. Please contact the photographer for all other uses.

Natural Range in Florida
USDA Zones

Suitable to grow in:
8A 8B 9A 9B 

QR code FNPSlogo

2002-2022, Copyright Florida Native Plant Society

Rayless Sunflower

Asteraceae (Compositae)

Plant Specifics

Size:very low basal rosette with a 2-2.5 ft flower stalk.
Life Span:Annual
Flower Color:Brown
Fruit Color:Brown
Habitats:Flatwoods. Moist to dry roadsides.


Recommended Uses:
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil/Substrate:Loam, Sand



Birds and small mammals eat the seeds.

Attracts a variety of pollinators including bees.   Attracts butterflies.