Black Diamond Watermelon is one of the truly great watermelon varieties for both home gardeners and market growers. The rind of the fruit is a striated green, and the flesh is a delicious red.

Black Diamond routinely produces watermelons in the 50 pound range, but some can grow as large as 75 pounds!  

Harvest in about 80 days. Germination rate about 80% or better.

Our Non-GMO seeds are sustainable. Our packaging is environmentally friendly, climate friendly, reusable, and recyclable.

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David’s Garden Seeds is a Veteran owned business that has been offering quality watermelon seeds since 2009.

David's Garden Seeds® is a member of the GO TEXAN agriculture program.

We cannot possibly put all the directions you need for growing watermelons in your area on the seed package. We recommend that you read articles or check with other gardeners in your area.

This is an heirloom seed, meaning it has been passed down from generation to generation for at least 75 years. As a rule, heirloom seeds taste better and will grow the same year after year.

These are also open pollinated meaning they will reproduce themselves. While all heirlooms are open pollinated not all open pollinated seeds are heirlooms.

Freshly Packed: These watermelon seeds are packed for the current growing season and will provide high germination rates next year as well.