Green Grapes are small to medium in size and are round to slightly oval in shape, growing in tight or loose clusters depending on the variety. The skin ranges from yellow-green to bright green and is typically crisp, firm, and smooth. Green seedless grapes are mild and sweet with a slightly tart flavor. The green grape is a sweet fruit that grows in bunches. The fruit makes a popular snack, both because of its sweet flavor and because you can one whole without making a mess. But green grapes are more than just a convenient snack. They're also packed with vitamins and minerals that help keep your body strong.