Sunflower Mammoth Russian Organic
Helianthus annuus
Annual. Native Americans have long valued sunflowers for food, medicine, dye and decoration. The popular Mammoth Russian sunflower has been grown in gardens since the late 1800s. Known for spectacular height, giant flowers and abundant seeds, this easy and fast to grow variety also tolerates drought and poor soil. Ideal for a temporary hedge or privacy screen.
Full sun. Blooms summer to fall.
Height: 6' - 10' tall
Days to Emerge: 10 - 15 Days
Seed Depth: 1"
Seed Spacing: A group of 3 seeds every 2'
Thinning: When 3" tall, thin to 1 every 2'
When to sow outside: RECOMMENDED. 1 to 2 weeks after average last frost.
When to start inside: 2 to 4 weeks before average last frost.
Artist: Peggy Turchette