Heavy Cream
The answer
Opened heavy cream lasts about 1 month in the fridge if kept cold. Follow the package date if it is shorter.
Caution Whipping cream can still whip after the date if it smells fine.
How long it keeps
Fridge (40°F) ~1 month (opened) safe window
Freezer (0°F) 4 months best quality
Room temp 2 hours max then discard
Discard Discard if sour, curdled, or moldy.
By state & packaging
State Fridge Freezer
Opened ~1 month 4 months
Unopened Printed date + a few days 4 months
Signs it has gone bad
✕ Sour smell
✕ Thick curdled clumps
✕ Mold on cap or surface
FAQ
Can I use heavy cream past the date?
Sometimes for cooking if it smells and looks normal — but discard it at the first sour smell or curdling.