Grapes
The answer
Fresh grapes last 1–2 weeks in the fridge and 10–12 months in the freezer (whole, for snacking).
Caution Discard grapes with broken skin that are leaking or fermenting.
How long it keeps
Fridge (40°F) 1–2 weeks safe window
Freezer (0°F) 10–12 months best quality
Room temp 1–2 days then discard
Discard Discard moldy or fermenting grapes.
By state & packaging
State Fridge Freezer
Fresh, refrigerated 1–2 weeks 10–12 months
Signs it has gone bad
✕ Mold on stems or berries
✕ Fermented smell
✕ Leaking, mushy berries
FAQ
Are wrinkled grapes still good?
Slightly wrinkled grapes are a quality issue — fine to eat or cook. Discard moldy or fermenting ones.