Sunflower
Helianthus annuus
Zones 2–11annual72" tall🐝 pollinator🌾 native
Bloom window
J
F
M
A
M
J
J
A
S
O
N
D
Peak bloom: August
How to plant
Direct-sow after last frost, 1 inch deep.
- Sunlight
- full sun
- Spacing
- 18" between plants
- Mature height
- 72"
- Row placement
- back of bed
From authoritative sources
Aggregated from USDA PLANTS and USA National Phenology Network.
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