(Helianthus 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.
Green Thumb Tip Sow seeds outdoors after last frost. Sunflowers
prefer full sun to light shade and well-drained rich
soil. Provide support for tall plants.
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