Scientific Name: Helianthus annuus
Common Name: Intermediate Sunflower
Hardiness Degree: 0°F (-17.8°C)
Plant Habit: Upright
Water: Medium
Fertilize: Every two weeks
Height: 36 - 60" (91 - 152cm)
Exposure: Sun
Planting density: 6 to 9 days after seedlings emerge, thin to 4 to 5 plants/ft.2 (42 to 52 plant/m2)
Best for: High tunnel, field
Direct sow to finish (200-cell): 8.5 to 10.5 weeks