{"product_id":"fruit-watermelon-black-diamond-25-non-gmo-heirloom-seeds","title":"Fruit Watermelon Black Diamond 25 Non-GMO, Heirloom Seeds","description":"\u003cp\u003e\u003cspan style=\"color: rgb(7, 74, 13);\"\u003e\u003cstrong\u003eWatermelon Black Diamond\u003c\/strong\u003e\u003c\/span\u003e is a classic open-pollinated heirloom prized for large, round fruits, crisp texture, and sweet, deep crimson flesh. The distinctive dark green to nearly black rind helps protect the juicy interior, while the melons can reach approximately 30–50 pounds under favorable growing conditions.\u003c\/p\u003e\n\u003cp\u003eWith full sun, heat, rich soil, and consistent moisture, Black Diamond vines can mature in about 70–80 days. Each packet contains 25 Non-GMO, heirloom seeds, giving you room to establish a productive patch, plan succession plantings, or share with fellow gardeners. Save seed from your best fruit for future seasons when plants are properly isolated from other watermelon varieties.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(7, 74, 13);\"\u003e\u003cstrong\u003eTexas Minimum Germination Rate: 75%\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Watermelon Black Diamond?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Heirloom Flavor:\u003c\/strong\u003e Harvest sweet, refreshing watermelon with crisp, deep crimson flesh for fresh eating and summer gatherings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Fruit:\u003c\/strong\u003e Grow impressive round melons that may reach approximately 30–50 pounds under ideal conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Rind:\u003c\/strong\u003e The thick, dark rind helps protect the tender interior during handling and short-term storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-Pollinated:\u003c\/strong\u003e Save seed from well-isolated, healthy fruit and select plants that perform best in your garden.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 Seeds per Packet:\u003c\/strong\u003e Plant a generous patch, try succession sowing, or share with other gardeners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePlanting Tips for Success\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunlight:\u003c\/strong\u003e Choose a location with full sun and strong heat exposure for the best vine growth and fruit sweetness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Plant in rich, well-drained soil amended with compost. A slightly acidic to neutral soil around pH 6.0–7.0 is suitable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanting:\u003c\/strong\u003e Sow directly after the danger of frost has passed and the soil is warm. In short-season areas, start seeds indoors several weeks early and transplant carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e Allow 24–36 inches between plants and provide ample room for the vines to run. Wider spacing improves airflow and reduces competition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatering:\u003c\/strong\u003e Keep soil consistently moist during establishment and fruit development, but avoid waterlogged conditions. Reduce watering as fruit nears maturity to help concentrate flavor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertilizing:\u003c\/strong\u003e Incorporate compost before planting, then use balanced fertility early in the season. Avoid excessive nitrogen after flowering, which can encourage vines at the expense of fruit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePollination:\u003c\/strong\u003e Protect flowering plants from unnecessary pesticide exposure and encourage pollinators. Hand-pollination in the morning can help when bee activity is limited.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarvesting:\u003c\/strong\u003e Look for a dried tendril near the fruit stem, a duller rind, and a creamy yellow ground spot. Cut the melon from the vine rather than pulling it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose David's Garden Seeds®?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVeteran-Owned:\u003c\/strong\u003e Supplying premium seeds since 2009.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGO TEXAN Certified:\u003c\/strong\u003e Supporting local agriculture and communities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/davidsgardenseeds.com\/pages\/safe-seed-integrity-pledge\"\u003eSafe Seed Integrity Pledge\u003c\/a\u003e:\u003c\/strong\u003e Backing our commitment to responsible seed stewardship.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVegetable Seed License:\u003c\/strong\u003e David's Garden Seeds® has been granted a Vegetable Seed License for the State of Texas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreat Customer Service:\u003c\/strong\u003e David answers all customer service questions, usually within a few minutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCooking Methods\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh Slices:\u003c\/strong\u003e Chill ripe watermelon and serve it in thick slices for a refreshing summer treat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFruit Salads:\u003c\/strong\u003e Combine cubes with berries, melon, citrus, or fresh herbs for a colorful salad.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrinks:\u003c\/strong\u003e Blend the flesh into agua fresca, smoothies, lemonade, or a fresh watermelon cooler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalsas:\u003c\/strong\u003e Pair diced watermelon with cucumber, lime, herbs, and a touch of chili for a bright fruit salsa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrilling:\u003c\/strong\u003e Grill thick wedges briefly to bring out a richer, caramelized flavor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(248, 9, 9);\"\u003eOrder Watermelon Black Diamond Seeds Today\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(248, 9, 9);\"\u003e\u003cstrong\u003eGrow a legendary heirloom watermelon with bold flavor, striking dark rind, and impressive garden presence.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eNutritional Information\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eApplies to harvested watermelon rather than planting seeds. Per 1 cup diced watermelon, approximately 152g:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalories:\u003c\/strong\u003e 46\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Fat:\u003c\/strong\u003e 0.2g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSodium:\u003c\/strong\u003e 2mg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Carbohydrate:\u003c\/strong\u003e 11.5g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDietary Fiber:\u003c\/strong\u003e 0.6g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Sugars:\u003c\/strong\u003e 9.4g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtein:\u003c\/strong\u003e 0.9g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C:\u003c\/strong\u003e 12.3mg (14% Daily Value)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin A:\u003c\/strong\u003e 43mcg RAE (5% Daily Value)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotassium:\u003c\/strong\u003e 170mg (4% Daily Value)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Disclosures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariety Disclaimer:\u003c\/strong\u003e Heirloom varieties may show natural variation in fruit size, shape, color, flavor, and maturity. Results vary with climate, soil, pollination, and growing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeed Storage:\u003c\/strong\u003e Store seeds in a cool, dry location away from direct sunlight. Properly stored seeds may remain viable for several growing seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanting Zones:\u003c\/strong\u003e Watermelon is a warm-season crop. Plant after frost when soil and air temperatures are reliably warm, and use local conditions to determine the best planting and harvest timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(7, 74, 13);\"\u003e\u003cstrong\u003e\u003cem\u003eGrow something beautiful. Grow something delicious. Grow with David's Garden Seeds®.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"David's Garden Seeds®","offers":[{"title":"Default Title","offer_id":40031642321060,"sku":"017WILL","price":3.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/4659\/7796\/files\/watermelon-black-diamond.png?v=1774544937","url":"https:\/\/davidsgardenseeds.com\/en-ca\/products\/fruit-watermelon-black-diamond-25-non-gmo-heirloom-seeds","provider":"David's Garden Seeds®","version":"1.0","type":"link"}