When do grapes ripen?

Chardonnay grapes, which also grow in USDA zones 7 through 10, are early grapes that typically ripen in mid-August. Other early cultivars that harvested from August through September include Pinot Noir (USDA zones 7-10) and Sauvignon Blanc (USDA zones 6-10). read more

Grapes picked early in the day, for example, may taste different than those picked in the afternoon. Unlike some other fruits, grapes won't ripen further after you pick them. read more

Grapes, unlike other fruits, do not continue to ripen once off the vine, so it is important to keep tasting until the grapes are uniformly sweet. Sample from sun exposed areas as well as those that are shaded. read more