Sunflower, Mammoth Grey Stripe
80 days. For seed production. 10 to 12 inch heads on plant 6 feet tall or more. Thin-shelled, striped seeds are plump and meaty. Package contains approximately 60 Sunflower, Mammoth Grey Stripe - Annual Seeds.
Learn more about Mammoth Grey Stripe Sunflower in this blog post!
Germination: 5 to 10 days at 68 to 72 F. Cover seeds completely with soil. Water well and keep moist until sprouted.