July through September, this sunflower bears golden yellow flowerheads with 8 to 9 ray florets around darker orange-yellow disk florets. Stems are tall and hairy; lance-shaped mid-green leaves are rounded at the base, appearing in opposite pairs.
Noteworthy CharacteristicsFound in partly shady places in the eastern U.S.
CareGrows best in moist but well-drained, moderately fertile, humus-rich soil, but tolerates a wide range of soils and growing conditions.
PropagationDivide in spring or autumn. Root basal cuttings in spring.
ProblemsCommon: downy mildew, powdery mildew, canker, rust, and many fungal leaf spots. Also susceptible to damage from caterpillars, cutworms, beetles, and weevils.
- Genus : Helianthus
- Zones : 3, 4, 5, 6, 7, 8
- Bloom Time : Fall, Summer
- Moisture : Medium Moisture
- Light : Partial Shade to Full Shade
- Plant Type : Perennials
- Plant Seasonal Interest : Summer Interest
- Flower Color : Yellow