Giant Sunflower
Helianthus giganteus L. - Aster familySize
Mature Height: Up to around 12.0 feet
Plant Type: Forb/herb
Features
Flower Color: Yellow
Conspicuous Flowers: Yes
Bloom Time: Early Summer, Mid Summer, Late Summer, Fall
Conditions
Shade Tolerance: Intolerant
Ecosystem Interactions
Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Moths; Butterflies; Monarchs; Larval Host (Moth)
Larval Species depending on Giant Sunflower: Cremastobombycia ignota, Eucosma sombreana, Gnorimoschema ambrosiaeella, Papaipema maritima, Papaipema necopina
Native Range
- USA: Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin
- CAN: New Brunswick, Newfoundland, Nova Scotia, Ontario, Québec
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.