- Annual flowers with edible seeds
- Plants grow to 6 feet tall
- Flower heads grow to 12 inches across
- 70 days
(H. annuus) Classic Russian sunflower. Heads grow up to 12" in diameter on sturdy 6' stalks. Very good variety for edible seed production. Annual, 70 days.
Learn to Grow Rostov Sunflower
Direct Seed: 6" Apart
Direct Seed: 1/2" Deep
Germination: 10-14 Days
Rows Apart: 24-36"
Instructions - Sow seeds outdoors after last frost. Sunflowers prefer full sun to light shade and well-drained rich soil. Provide support for tall plants.