- You will get 50+ Seeds of Cantaloupe Hearts Of Gold Melon Heirloom NON-GMO Fruit Seeds. - Hearts Of Gold Cantaloupe Melon Seeds. - 50+ Seeds. - Maturity: 85 Days. - Weight: 2-3 Lbs. - Planting Depth: 1/2". - Plant Spacing: 18". - Row Spacing: 6'. - Plant In Sun After Chance Of Final Frost. - Sunlight: Full Sun. - Watering: Medium.