Sunflower
Helianthus × cinereus
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Helianthus
- Species:
- Helianthus × cinereus
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 4-6 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun, jul, aug, sep, oct, nov
- Bloom Colors:
- Yellow
Native Range
United States: Indiana, Kentucky, Missouri, Ohio
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
- Bee Keystone:
- ★☆☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Soil Requirements
- Soil Type:
- well-drained, sandy or loamy soil
- Drainage:
- good drainage required
- Moisture:
- dry to moderate
- Notes:
- native to areas with periodic droughts