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  • Sunflower - Mammoth

    Helianthus annus  - Certified Organic Seed - Grown at Greenpatch Organic Seeds
    Mammoth is one of the largest growing types getting to 3m high. Mammoth sunflower produces large yellow flower heads to 40cm across. A heavy feeder preferring fertile soil in a full sun position. Flowers in 12-14 weeks. 
    Sow Spring - Summer
    Seed packet contains approx 35 seeds
    Approx. 13 Seeds per gram