• Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

Helianthus debilis subsp. vestitus

west coast dune sunflower

Nomenclature

Common Name:

west coast dune sunflower

Synonym(s):

Genus species:

Helianthus debilis subsp. vestitus

Family:

Asteraceae (Compositae)

Plant Specifics

Form:

flower

Size:

1.5 to 2 ft high, may sprawl for about 5 ft from the main stem.

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

Phenology:

Blooms year round but mostly during warm months

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Wildflower garden. Groundcover.

Considerations:

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Availability:

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Propagation:

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Light:

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Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

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Not wet but not extremely dry -to- Very long very dry periods

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

High. Can tolerate significant and ongoing amounts of salt.

Soil or Other Substrate:

Sand

Soil pH:

Acidic to neutral

Suitable to Grow In:

8A,8B,9A,9B,10A,10B

Ecology

Wildlife:

Pollinators, Butterflies, Birds, Mammals

Primarily pollinated by bees.  

Birds and small mammals eat the seeds.

Native Habitats:

Beach dune. Disturbed areas near coast (ruderal)

Comments:

Ethnobotany:

General Comments:

Despite the appearance of the county-based range map, the actual range is limited to the coastal areas.