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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.
Other varieties take on a purple or deep red color when ripe. Press the flesh very gently. It should give, much like a ripe peach, but not be mushy. Leave the fig to ripen longer if the flesh is still hard. Test several fruits to get a point of comparison. Look for signs the figs are drooping on the branch. Unripe figs will stand straight out from the branch, defying gravity, while ripe figs begin to sag downward. Check the fig for signs of a curved stem. Examine the outside of the fruit.