60 Heirloom Variety Gray Stripe Mammoth Sunflower Seeds

Blooms: July-September.
Comments: Will do well in poor soil. Tolerates heat and dry conditions. Average head size is 10 - 15 inches, but have reached 20 inches. Extremely large heads on 9 - 12 foot stalks.

Product Details

Height: 9 - 12 feet.
Sun/Shade: Full Sun.
Germination: 10 - 14 days at 68-86 degrees F.
Color: Orange - Yellow.
Foliage: Very rough; to 1 foot long; heart shaped leaves.