- Annual flowers with edible seeds
- Plants grow to 12 feet tall
- Flower heads grow to 18-24 inches across
- 75 days
(H. annuus) One of the tallest-growing, biggest-headed, and largest-seeded varieties available to gardeners. This is the one for impressing your neighbors and winning awards at county fairs. Grow your own backyard giant this year—plants can grow 12' tall with large yellow heads reaching 18-24" across! Edible seeds. Annual, 75 days.
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.