How to Make Strawberries Last Longer (and Stop Mold)
How to make strawberries last longer and keep strawberries from molding: cold, dry, unwashed, caps on, bad berries out. Sources from UC and university extension.
Keep strawberries cold and dry. Refrigerate them unwashed at 32 to 36°F in their container or a loosely closed bag, pull out moldy or crushed berries, and rinse only what you'll eat. At best they keep 5 to 7 days, and USDA's FoodKeeper plans on 2 to 3.
This page covers how to make strawberries last longer, why they mold so fast, and what to do when you spot a fuzzy one. For shelf-life numbers, see our strawberry storage page.
How to make strawberries last longer: the short list
| Do this | Why |
|---|---|
| Refrigerate right away, at 32 to 36°F | Cold slows mold, the main thing that ruins berries |
| Keep them in the container or a partly open bag | Holds humidity without trapping water |
| Don't wash until you eat them | Wet berries spoil faster |
| Leave the green caps on | Berries without caps are especially perishable |
| Remove bad berries immediately | Mold spreads berry to berry |
The temperature and container advice comes from the UC Master Food Preserver Program, summarizing UC publication 8256: 32 to 36°F in the crisper drawer, in the plastic container or a partially open plastic bag, up to 7 days at best depending on ripeness, and no washing until just before eating or preserving. The cap point is from North Carolina State extension.
How do you keep strawberries from molding?
Control moisture and remove the first moldy berry. University of Arkansas Cooperative Extension, quoted by Iowa State, says strawberries are like small sponges and soak up all the water they touch, turning to mush and mold quickly even when patted dry. That's why you wash at serving time.
Gray mold is the main culprit. UC Davis calls Botrytis, or gray mold, the greatest cause of postharvest strawberry loss, and it keeps growing, slowly, even at 32°F. NC State adds that even a small infestation can quickly spread through a whole package, and that berries cooled and then allowed to rewarm get condensation and become extremely susceptible to decay. So don't leave the container on the counter for hours. Iowa State says a couple of hours at room temperature is fine, though, if you're about to eat them.
Does a vinegar rinse help strawberries last longer?
Possibly in one website's storage test, but we couldn't find extension backing for it. Iowa State notes that one site's test found vinegar water the best method, then points out that food scientists say moisture is the enemy of strawberries and recommends washing only before eating. UC's food safety guidance for strawberries also says to rinse them under cool running water and avoid soap or detergent, which produce can absorb.
Can you eat strawberries with a little mold on them?
Don't. USDA's mold guidance says soft fruit with high moisture content (it names peaches, cucumbers and tomatoes) can be contaminated below the surface, and we apply that rule to strawberries, so a moldy berry should be discarded, not trimmed. USDA also says mold spreads quickly in fruits and vegetables, so check the berries that were touching it, and don't sniff moldy food because that can cause respiratory trouble. When in doubt, throw it out.
Do strawberries ripen after you pick them?
No. UC says strawberries do not ripen after harvest, and ethylene doesn't stimulate ripening in them. Refrigerating them won't slow ripening, but it does slow mold. Pick or buy fruit that's fully red.
Keep an eye on the clock
Berries are one of the first things to go in most fridges. Add what you buy to Well Stockd and fresh fridge and pantry food gets an estimated expiration date based on typical shelf life, so the food closest to going off sorts to the top. Try it free. If you're comparing options, see our guide to apps that track expiration dates. For other produce, see our shelf-life guide.
Related guides
- How to keep cilantro fresh
- Can you store potatoes and onions together?
- How long does cut fruit last in the fridge?
FAQ
How long do strawberries last in the fridge?
Plan on 2 to 3 days: that is what USDA's FoodKeeper data gives from purchase. Under ideal conditions the UC Master Food Preserver Program says up to 7 days, depending on ripeness, and the University of Georgia lists 5 to 7 days. Treat 7 as the best case.
Should you wash strawberries before putting them in the fridge?
No. UC says not to wash berries until just before eating or preserving because the added moisture makes them spoil faster.
Should you remove the stems and caps before storing?
Not until you're ready to eat them. NC State says berries without stem caps are particularly perishable.