Growing these flowers is easy and rewarding. Make several sowings, three weeks apart, to have a succession of bloom. Keep soil moist and well weeded and protect seedlings from hungry birds with netting or plastic berry baskets, removing before plants get crowded. Sunflowers need room! Be sure to thin seedlings when 3 inches tall to 12 inches apart.
Plant in full sun in good garden soil when weather is warm and settled both day and night and all danger of frost is past. Poke seeds into well-worked soil 1/2 inch deep and 4 to 5 inches apart. Press soil firmly over seeds and keep moist until germination in 8 to 10 days.
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