Gerry's Seed Company › Chocolate Cherry Sunflower Seeds Image 1 of 1 Chocolate Cherry Sunflower Seeds $4.00 Annual seed that grows between 6 to 8 feet. They are deep burgundy in color. Blooms Mid Summer to Fall. Add To Cart Added! Annual seed that grows between 6 to 8 feet. They are deep burgundy in color. Blooms Mid Summer to Fall.