Helianthus annuus. 90 days.
Lemon Queen is a native, annual sunflower variety that can be found growing in most regions of the United States.
Plant grows to between 5 and 7 feet in height and produces large lemon-yellow flowers with dark, chocolate-colored centers that bloom from summer to the first frost of autumn.
Bees are intensely attracted to this variety, making Lemon Queen the star of the Great Sunflower Project, a study to gather information on honey bee and native bee populations.
Lemon Queen Sunflower
Growth Chart
Hardiness Zones:
2 to 11
Light Requirement:
Full sun
Soil Type:
Clay, chalky, loamy
Sow Depth:
1 inch
Plant Spacing:
6 inches
Germination Temp:
70°F to 70°F
Germination Time:
8 to 10 days
Bloom Time:
Midsummer to early fall
Growing Tips
Direct sow in late spring once the soil has warmed to 70 degrees F or higher. Sow several seeds together 1 inch deep and 6 inches apart in rich, well-drained soil. Keep soil moist, and seeds will germinate in 7 to 14 days. Thin to the strongest seedlings.

