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Sunflower, Mammoth Grey Stripe

Sunflower, Mammoth Grey Stripe


Helianthus annuus

Heads are 10" to 20" across and filled with large, grey striped, plump seeds that are high in protein. They're tasty raw or roasted and lightly salted. 8' to 12' stalks. Easy to grow and drought tolerant.

  • Planting Info:

    • Planting Depth: 1/4-1/2"
    • Optimal Soil °F: 55-60
    • Days to Germinate: 10-15
    • Days to Maturity: 80-120
    • Plant Spacing: 18-26"
    • Sun Light: Full
    • Min Seeds/Packet: 35
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