Mammoth Sunflower is an easy to grow summer annual and the state flower of Kansas. Stately sunflowers with enormous heads, more than 1 foot across, provide spectacular beauty first, then seeds for roasting or birdfeed. • Plantling Depth- 1" • Plant Spacing- 18-24" • Days to Germination- 14-21 • Days to Maturity- 75-90 • Plant Height- 7-12' • Grows Best- Full Sun
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