Basil Per USDA FoodKeeper
On the counterCounter
5 days
cool, dry place
In the fridgeFridge
10 days
at or below 40°F (4°C)
In the freezerFreezer
Not listed
no FoodKeeper figure
Quick answer
Yes. Basil lasts 10 days in the fridge. After that, or sooner if stored badly, it spoils: watch for the signs below.
How to tell if basil is bad
Smell
A sour or rotting smell from the bag or bunch.
Texture
Slimy, wet or wilted leaves that do not perk up in cold water.
Colour
Dark green-black or brown leaves.
Mould
Any fuzzy growth — discard the bag.
Basil past the expiration date
Best-by and sell-by
FoodKeeper gives unopened basil 5 days in the pantry or 10 days in the fridge, counted from the day you buy it. "Best-by" and "sell-by" describe quality and stock rotation, not safety; only infant formula carries a federally required use-by date.
Past the date
Basil past its best-by date is usually safe if stored well; check smell, look and taste before using.
How to keep basil fresh longer
- Keep stems in water.
- Will start to discolor.
- Store dry, wrapped in a paper towel inside a bag or container.
More about basil
FAQ
How long does it take for basil to go bad?
10 days in the fridge, per USDA FoodKeeper.
Can basil expire?
FoodKeeper gives unopened basil 5 days in the pantry or 10 days in the fridge, counted from the day you buy it. "Best-by" and "sell-by" describe quality and stock rotation, not safety; only infant formula carries a federally required use-by date.
What happens if you eat bad basil?
Usually an unpleasant taste rather than illness, but discard anything mouldy, rancid or smelling off.
How do you keep basil from going bad?
Keep stems in water.
Numbers on this page come from USDA FoodKeeper and FSIS guidance. Last verified November 2026. How we verify our data · Report a wrong number