Bagging grape bunches protects ripening fruit from wasps and flies

Gardeners can protect ripening grapes from wasps and flies by bagging each bunch. This method allows berries to mature without pest damage. The technique involves using inexpensive mesh bags, available at garden stores, to create a physical barrier against insects. This prevents pests from reaching the fruit as it ripens. An alternative suggested in comments is covering the entire vine with a large mesh cloth for broader protection against insects and birds.