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The color of the vine also indicates when to harvest Concord grapes. Throughout the growing season, the vine and stems are a light to medium green. When the vine and stems begin to turn to a light then medium brown, it means the grapes are ripening and ready to harvest.
Pears are ready to harvest before theyâre ripe. Learn when to harvest pears and how to ripen them off the tree. âThere are only ten minutes in the life of a pear when it is perfect to eat.â â Ralph Waldo Emerson.