Mammoth Russian Sunflower
- Huge heads supported by massive trunks
- Attract pollinators
- Plants grow 12 foot tall
- Good for roast for eating or wildlife
- 90 days
One of the oldest and most popular sunflower varieties available. Towering 12' plants with huge heads supported by massive trunks. Use to attract pollinators, turn heads in the neighborhood, roast for eating, or feed wildlife throughout winter. Grey striped seed. Annual, 90 days.
Learn to Grow Mammoth Russian Sunflower
Direct Seed: 6" Apart
Direct Seed: 1/2" Deep
Germination: 10-14 Days
Rows Apart: 24-36"
Instructions - Sow seeds outdoors after last frost. Sunflowers prefer full sun to light shade and well-drained rich soil. Provide support for tall plants.