65-78 Days to maturity. Citrullus lanatus Yellow Petite watermelon seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Petite Yellow watermelon is perfect for those with a short growing season. This yellow-orange fleshed melon is lightly sweet, canary yellow and at 6 pounds perfect for the fridge.