| Scientific Name: | Helianthus annuus cvs. |
| Common Name: | sunflower |
| Family Name: | Asteraceae |
| Origin: | Garden origin, North America |
| Hardiness Zone: | Zone 9: (-7 to -1 °C) |
| Plant Type: | Annual, Flowering cut plant, Flowering pot plant |
| Mature Size: | 2 - 3m x 1.0 - 1.5m (height x width) |
| Habit: | Upright |
| Form: | Oval - vertical |
| Texture: | Coarse |
| Landscape Uses: | Attract beneficial insects, Attract birds, Bedding plant, Container planting, Cut flower or foliage, Dried flower or fruit, Fall interest, Floristry, Herb, Medicinal plant, Perennial border, Summer interest, Urban agriculture, Wildlife food |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Alternate, Soft flexible, Pinnate venation, Rugose, Pubescent, Ovate, Ciliate, Dentate |
| Flowers: | Head (capitulum), White, Orange, Yellow, Red, Dark-red, Jul-Aug-Sep-Oct |
| Fruit: | Achene, Edible, Brown, Oct-Nov |
| Key ID Features: | |
| Stems commonly 1-3m tall, hairy; leaves alternate, broadly ovate, 10-40cm long x 5-35cm wide, sandpapery texture, margin coarsely toothed, petioles 2-20cm long; flower heads large, most 7-15cm wide, dark brown to purple disc florets and yellow to orange ray florets (often used to depict the sun); achenes 5-12mm long, tan with black lengthwise stripes. | |