Our top tips for picking and buying summer's quintessential fruit, whether you're picking it fresh off the vine or off the grocery store shelf. March 30, 2022 Watermelon is the quintessential fruit of summer, and biting into a juicy wedge is one of the season's greatest pleasures. But knowing when they are ready to pick from the vine or how to buy the best one can be a bit of a head-scratcher. If you’ve ever stared down a display of the giant green orbs at your local farmers' market or checked