Heirloom Organic Black Diamond Watermelon Seeds (aka Cannonball Watermelon, Florida Giant Watermelon)

Heirloom Organic Black Diamond Watermelon Seeds (15) Black Diamond Watermelon LightFull sun Fruit size30 to 50 pounds Matures75 to 90 days Plant spacing36 to 60 inches apart Plant sizeLong vine Heirloom. Black Diamond is a classic oblong watermelon with a black-green rind covering bright red, crisp, flavorful flesh. In the 1950s, Black Diamond was a very popular home garden variety. Fruits have gray-black seeds (perfect for seed spitting contests) and can grow quite large. In Arkansas, where it’s rumored to have been developed, local gardeners recommend this melon for greased watermelon contests: Simply grease the melon, place it into a child’s plastic swimming pool, and get ready for some fun as the kids chase it and try to grab it! Drought-resistant and prolific.If you'd like to grow especially large "Black Diamond" fruit, use a technique called culling, in which you choose the fruit you allow to grow and remove extras from each plant. Once you start seeing small, new watermelons a