80-90 Days to maturity. Cucumis melo var. cantalupensis. Top Mark Melon Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, cantaloupe melon. Resistant to Downy Mildew, Powdery Mildew, Cucumber Beetles, is scab resistant, and sulphur tolerant. Gardeners love the Top Mark Melon for its robust flavor and ease of growth. Top Mark Melons are prized for their exceptionally sweet, juicy, and aromatic orange flesh, making them a delightful summer treat. It has 7-inch 3-4 lb fruits that are slightly oblong, well-netted, slight ribs, thick, and firm with sweet salmon colored flesh. Top Mark Melon has a small seed cavity leaving room for more juicy sweet melon. ~1,240 seeds/oz.