Days To Germination: 7-21 days
Optimum Soil Temp. for Germination: 68F-86F
Planting Depth: 1/2 inch
Spacing, Seed: 4-6 inch
Spacing, Plant: 24 inches
Plant Height: 39-96 inches
Light: Full Sun
SOWING: Seeds can be started indoors 3 to 4 weeks before last spring frost. Or direct-sow seeds outside to a depth of 1/2 inch. Can be sown as late as 100 days before last spring frost.
THINNING AND TRANSPLANTING: When seedlings are 2 to 3 inches high, thin to 24 inches apart. Replant thinned plants.
GERMINATION: 7-21 days, depending upon soil and weather conditions.
GROWING TIPS: Overhead watering is not recommended. Harvest almost completely opened flowers in early morning or late afternoon.
Black Sunflower
Helianthus annus
ANNUAL (One Season Plant). A tall Sunflower producing bright yellow flowers. The flowers bloom on a stout, hairy stem. The leaves are grayish- green which are often folded and curving downward. Easy to grow and withstands heat and poor soil. Excellent for the back of flower gardens and anywhere you want to add bright yellow color..
Plant Height: 39-96 inches
Sunlight: Full Sun
Bloom Period: Summer to Fall
BIRDS That Black Sunflower Seeds Attract::
American Goldfinch, White Breasted Nuthatch, Red Breasted Nuthatch, White Throated Sparrow, Blue Jay, Evening Grosbeak, Rose breasted Grosbeak, Hairy woodpecker, Red-Bellied Woodpecker, Northern Cardinal, Purple Finch, House Finch, Tufted Titmouse, Chickadees, Mourning Dove