Helianthus annuus ‘Giant Greystripe’ seeds
Common Names:
Giant Greystripe
Helianthus annuus ‘Giant Greystripe’ seeds 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