Thinleaf Sunflower

Helianthus decapetalus L. - Aster family

Size

Mature Height: Up to around 6.0 feet

Plant Type: Forb/herb

Features

Flower Color: Yellow

Conspicuous Flowers: Yes

Bloom Time: Late Spring, Early Summer, Mid Summer, Late Summer, Fall

Conditions

Shade Tolerance: Tolerant

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Moths; Butterflies; Larval Host (Butterfly); Larval Host (Moth)

Larval Species depending on Thinleaf Sunflower: Bucculatrix fusicola, Charidryas gorgone, Charidryas nycteis, Chlosyne nycteis, Eucosma sombreana, Helicoverpa zea, Hypercompe scribonia, Omiodes simialis, Papaipema rigida, Suleima cinerodorsana

Native Range

  • USA:  Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode I., South Carolina, Tennessee, Vermont, Virginia, West Virginia, Wisconsin
  • CAN:  New Brunswick, Ontario, Québec
Regional Native Status: L48 (N), CAN (N)

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.