Charleston Gray is a popular variety of heirloom watermelon known for its sweet, juicy flesh and distinctive gray-green rind. This type of watermelon typically weighs between 20 to 30 pounds and has a crisp texture, making it a favorite among watermelon enthusiasts. Originally developed in the southern United States, Charleston Gray is often grown in home gardens and commercial farms alike. Its resistance to diseases and ability to thrive in warm climates contribute to its popularity, especially in regions where watermelons are a staple summer fruit.