Skip to product information
1 of 1

Sunflower Seeds (Mammoth)

Helianthus annus 
        Regular price $4.00 AUD
        Regular price Sale price $4.00 AUD
        Sale Sold out
        Shipping calculated at checkout.

        Certified Organic - Grown at Greenpatch Organic Seeds (Glenthorne, NSW)

        Plant Specs

        • Sow Spring to Summer
        • Sow in a tray or pot and then transplant to the garden OR sow direct into the garden
        • Germinates in 7 days

        Plant Tips

        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.

        • Spring

          Check out our SPRING Seed Sowing Guide, available in Cold, Temperate, Sub-Tropical and Tropical climate

          Download Spring Guide 
        • Summer

          Check out our SUMMER Seed Sowing Guide, available in Cold, Temperate, Sub-Tropical and Tropical climate

          Download Summer Guide 
        • Autumn

          Check out our AUTUMN Seed Sowing Guide, available in Cold, Temperate, Sub-Tropical and Tropical climate

          Download Autumn Guide 
        • Winter

          Check out our WINTER Seed Sowing Guide, available in Cold, Temperate, Sub-Tropical and Tropical climate

          Download Winter Guide