![Early Sunflower, Smooth Oxeye - Heliopsis helianthoides 1](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/heliopsi_-helianthoides_john_hilty.jpg)
Photo by John Hilty http://www.illinoiswildflowers.info
Common Name: Early Sunflower, Smooth Oxeye
Full to part sun, moderately wet to moderately dry moisture level, tolerates a wide range of soils including clay. 3-5 feet height, blooms summer into fall, yellow orange flowers, aggressive re-seeder.
Germination Code: C(30)
Native Region: Statewide
Showy flowers on a low-maintenance plant. Long summer bloom period. Can be very invasive and weedy under its preferred conditions. Attracts butterflies and birds.
![Early Sunflower, Smooth Oxeye - Heliopsis helianthoides](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/heliopsis_helianthoides_wiki.jpg)