Mammoth Grey Stripe Sunflower
Mammoth Grey Stripe Sunflowers are the iconic giant sunflower. Reaching up to 144 inches tall, these sunflowers are impossible to miss in the garden. Great for harvesting seeds! About 50 seeds
Life Cycle: Annual
When: Direct sow 1 - 2 weeks after your last average frost date
Sun: Full Sun
Depth: ½ inch
Spacing: 12 - 18 inches
Germination: 10 - 15 days
Size: Up to 144 inches
Maturity: 70 - 100 days
Mammoth Grey Stripe Sunflowers are the iconic giant sunflower. Reaching up to 144 inches tall, these sunflowers are impossible to miss in the garden. Great for harvesting seeds! About 50 seeds
Life Cycle: Annual
When: Direct sow 1 - 2 weeks after your last average frost date
Sun: Full Sun
Depth: ½ inch
Spacing: 12 - 18 inches
Germination: 10 - 15 days
Size: Up to 144 inches
Maturity: 70 - 100 days
Mammoth Grey Stripe Sunflowers are the iconic giant sunflower. Reaching up to 144 inches tall, these sunflowers are impossible to miss in the garden. Great for harvesting seeds! About 50 seeds
Life Cycle: Annual
When: Direct sow 1 - 2 weeks after your last average frost date
Sun: Full Sun
Depth: ½ inch
Spacing: 12 - 18 inches
Germination: 10 - 15 days
Size: Up to 144 inches
Maturity: 70 - 100 days