Helianthus agrestis

Southeastern Sunflower

Asteraceae (Compositae)

Plant Specifics

Form:Flower
Life Span:Annual
Flower Color:Yellow
Fruit Color:White
Phenology:Winter dormant
Noted for:Showy flowers

Landscaping

Recommended Uses:Moist wildflower garden.
Propagation:Seed.
Availability:Seed
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Somewhat moist, no flooding)
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Somewhat moist, no flooding
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:Loam, Sand
Soil pH:Acidic to neutral

Ecology

Wildlife:
  

Birds and small mammals eat the seeds.

Insects:
  

Primarily pollinated by bees. The goldenrod soldier beetle (a.k.a. leatherwing beetle(, Chauliognathus pensylvanicus is a goldenrod pollinator (FL Wildflower Foundation).

Native Habitats:Pinelands, savannas, ruderal.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures

Comments

General Comments:This is Florida's only native annual sunflower