Helianthus annuus ‘Giant Greystripe’. Giant Sunflower. Large, tasty seeds, can be eaten raw or roasted. These make a high protein bird, chicken and animal feed.  

Days to germination – 10 to 14
Days to harvest – 80 to 100 days
Plant Height – 6 to 8 feet
Plant Spacing – 18 to 24 in.
Planting depth – 1 inch
Flower heads – 10 to 12 inches diameter