Helianthus spp.

Photographs belong to the photographers who allow use for FNPS purposes only. Please contact the photographer for all other uses.

Sunflower

Asteraceae (Compositae)

Also known as Helianthus atrorubens, Helianthus floridanus, Helianthus divaricatus Helianthus resinosus, Helianthus heterophyllus, Helianthus microcephalus, Helianthus strumosus, Helianthus hirsutus, Helianthus occidentalis

Plant Specifics

Form:Flower
Size:ft
Life Span:Short-lived perennial
Flower Color:Yellow
Fruit Color:White
Phenology:Winter dormant
Noted for:Showy flowers

Landscaping

Recommended Uses:Wildflower garden. Most species bloom best if in light shade or sun, though it does depend on species.
Propagation:Depending on species, division and/or seed. Seeds are available through the Florida Wildflowers Growers Cooperative for H. angustifolius, H. debilis and H. radula
Availability:Seed
Light: Full Sun,  Part Shade,  Shade
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Not wet but not extremely 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/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Sand
Soil pH:Acidic to neutral

Ecology

Wildlife:
  

Birds love the seeds.

Insects:
  

Bees and butterflies are attracted to sunflowers. The goldenrod soldier beetle (a.k.a. leatherwing beetle(, Chauliognathus pensylvanicus is a goldenrod pollinator (FL Wildflower Foundation).

Native Habitats:Flatwoods, woodlands, ruderal areas.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:

USDA zones are based on minimum winter temperatures

Comments

General Comments:For best results, use species naturally found in your area