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    We conserve and promote America's culturally diverse but endangered garden and food crop heritage for future generations by collecting, growing, and sharing heirloom seeds and plants.

Heirloom & Organic Watermelon Seeds

A sweet summertime favorite, our selection of heirloom watermelon seeds is sure to satisfy. Choose from red, orange, yellow, or white fleshed varieties. Learn more about growing watermelons.

Browse by: Organic Watermelon Seeds

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Watermelon, Blacktail Mountain

Best Seller

Watermelon, Borrie's Yellow

Watermelon, Chelsea

Watermelon, Chris Cross

Watermelon, Citron Red Seeded

Watermelon, Cream of Saskatchewan

Watermelon, Golden Midget

Watermelon, Halbert Honey

Halbert Honey - Out Of Stock

Watermelon, Moon & Stars (Cherokee)

Watermelon, Moon & Stars (Van Doren)

Watermelon, Moon & Stars (Yellow)

Watermelon, Mountain Sweet Yellow

Watermelon, Oh So Sweet

Watermelon, Orangeglo

Watermelon, Petite Yellow

Watermelon, Picnic

Watermelon, Small Shining Light

Watermelon, Stone Mountain

Watermelon, Sweet Siberian

About Heirloom Watermelons

Discover the delicious and varied tastes within our selection of watermelon seeds. With incredible histories, these varieties are as storied as they are sweet. Watermelons need a long growing season and need plenty of room to grow.

How to Grow Watermelons & Save Seeds

As a customer, member, or donor, you help us save America’s heirloom seeds.