Helianthus debilis subsp. cucumerifolius

Photo by Jeannie Brodhead. 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:
10A 8A 8B 9A 9B 

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Cucumberleaf Dune Sunflower

Asteraceae (Compositae)

Plant Specifics

Size:2 to 4 ft high and equivalently wide.
Life Span:Annual to short-lived perennial
Flower Color:Yellow with dark center
Phenology:Blooms year round but mostly during warm months
Habitats:Beach dune. Disturbed sandy areas both near the coast and inland.


Recommended Uses:Beach-front gardens.  Wildflower gardens. Groundcover.
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Somewhat long very dry periods
Salt Water Flooding Tolerance:Tolerant of occasional/brief inundation such as can occur in storm surges.
Salt Spray Tolerance:High. Can tolerate significant and ongoing amounts of salty wind and salt spray without injury.
Soil/Substrate:Loam, Sand



Birds and small mammals eat the seeds.

Primarily pollinated by bees.