80 days maturity after transplant. Solanum melongena ’Kyoto Egg’. Kyoto Egg Eggplant Seeds. Non-GMO, warm-season, annual, hybrid. This small Japanese eggplant is a generous producer of unique round fruits that grow to 3 inches in diameter. The eggplants have glossy purple-black skin, a purple calyx, and tender flesh. The plant is upright and grows well in warm climates. Eggplants are useful companion plants to a variety of other vegetables. They produce well in open fields or greenhouses and in a pot on your porch or deck! Approximately 6,250 seeds per oz.