Wildflowers
Tall Sunflower
Helianthus giganteus
Features
Bright yellow daisies and dull red-purple stems.
Culture
Full sun; moist, well drained to wet sites.
Mature Height
4-10 Feet
Native To:
Illinois
Indiana
Iowa
Michigan
Ohio
Wisconsin
USDA Hardiness Zone
3 - 8
Bloom Color
Yellow
Bloom Season
August - October
Soil Conditions
Moist, Well-Drained
Wet
Exposure/Light Requirements
Full Sun
Pests and Problems
Environmental Damage
Additional pests and problems that may affect this plant:
No serious insect or disease problems.
Additional Notes
Found in thickets, fields and swampy areas. Listered as endangered in Illinois
