Timing your watermelon harvest is everything. Unlike other fruits that keep ripening after you pick them, watermelons are done developing the moment they leave the vine. So you’ve got to read the plant’s signals like a pro. The easiest tell? Check out that little curly tendril closest to your melon. When your watermelon is still growing, that tendril stays green and healthy, pumping water and nutrients to the fruit. But once your melon hits peak ripeness, that same tendril dries up and turns bro