Marde Ross & Company Domino Sunflower Seeds - Height 4-5" and Good Hedge and Screening Plant. Approximately 100 Seeds. Approximately 100 Seeds of Domino Sunflower Seeds. Good Hedge or Screen as well as Garden Addition Plant 1" Deep in Spring (2' in Sandy Soil) Heads up to 5" and Plants are 4-5' Tall Non GMO and Neonicotinoid Seed Marde Ross & Company has been a licensed California Nursery since 1985