Sawtooth Sunflower
Helianthus grosseserratus
| Description: This tall prairie sunflower has coarse leaves and spreads gently. |
| Propagation: Seeds or divisions |
| Initial bloom (month and week): August W3 |
| Garden name: Sunny Wetland Garden |
| Color of flower: Yellow |
| Height: 3-12′ |
| Spread: 18″ |
| Family: Asteraceae |
| Soil type: Deep prairie fertile loam |
| Soil moisture: Moist |
| Light: Full sun |
| Zone: 3-8 |