IChocolate Cherry Sunflower Seeds. 80-95 days. Non GMO. Open Pollinated. Annual. Heirloom. Helianthus annuus. Heirloom Chocolate Cherry sunflower seeds mature to be 6 to 7 feet tall ornamentals with deep burgundy petals and an even darker center, very similar in appearance to Velvet Queen. Non GMO Chocolate Cherry sunflower seeds are best when sown directly after final frost. Approximately 1,700 Seeds / Oz.