Helianthus spp.

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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