69% Germination - Non-refundable clearance seeds. 60-69 Days to maturity. Triple Crown F1 Watermelon Seeds. Triple Crown F1 Hybrid Watermelon Seeds. Citrullus lanatus. F1 Hybrid. Non-GMO. Annual. 80 days to maturity. Seedless. This seedless watermelon is a beauty and delicious! Triple Crown contains red flesh that is firm and crisp. Approximately 225 Seeds / Ounce. Click here to view regularly priced, high germination seed.