You just bought four avocados. Both are rock hard and both perfectly mature. Do they all fit in the fridge? None of these? Everyone’s response is different, and knowing where it’s going can mean the difference between an avocado that’s perfectly ripe on demand and one full of skin.
Do avocados need to be refrigerated?
Short answer: It depends entirely on maturity. Unripe avocados ripen well at room temperature. They can also go in the fridge to slow down the ripening process when you want to delay it. Ripe avocados do not need refrigeration, but they do benefit from it. Refrigeration extends the useful life of a ripe avocado from 1 to 2 days on the counter to 2 to 5 days in the refrigerator. Cut avocados should be refrigerated immediately.
For storage times, signs of spoilage, and what to do with brown meat, see our post. Are avocados going bad? or browse the whole Food storage guide.
- Unripe avocado: counter ripen at room temperature (68 to 75°F); or to delay ripening in the refrigerator for up to 2 weeks
- Very ripe avocado: counter for 1 to 2 days, or refrigerated for 2 to 5 days
- Cut the avocado: refrigerate immediately, room temperature limit of 2 hours
- Apply lemon or lime juice to all cut surfaces before cooling
- Keep away from ethylene producers (tomatoes, bananas, apples) in the refrigerator
- Never submerge avocados in water: FDA warning applies
Unripe avocados: First, refrigeration optional
Unripe avocados ripen well at room temperature. The ripening process requires enzymatic activity that slows significantly below 50 degrees Fahrenheit. Therefore, placing a hard, bright green avocado in the refrigerator will not ripen it efficiently. It will stay firm for a long time instead of developing the creamy texture of a ripe avocado.
However, unlike unripe tomatoes, unripe avocados can be refrigerated without permanent damage. The cold stops the process, rather than spoiling it. This makes the fridge a useful tool for managing a batch of avocados: carry a few so they can be rotated when they arrive in the fridge. When you’re ready to use one, take it back to the counter and it will arrive in 1 to 3 days.
According to Love One Today, the consumer resource Hass Avocado Board, very ripe avocados stored in the refrigerator can stay firm for up to 2 weeks. This gives you significant control over your avocado supply without sacrificing quality.
Ripe avocados: Use quickly or refrigerate
Ripe avocados have a very short window on the counter. At room temperature, it continues to ripen past its peak and ripens in 1 to 2 days. Refrigerating a very ripe avocado slows down this process and extends its useful life by 2 to 5 days, depending on how ripe it was in the refrigerator.
The commitment is minimal. Unlike tomatoes, ripe avocados do not suffer significant flavor loss from refrigeration. A draughty drawer, set to low humidity, is the ideal location. Keep ripe avocados away from ethylene-producing produce such as tomatoes, bananas, and apples, as they will accelerate overripe even in the refrigerator.
If you have a ripe avocado and plan to use it in a day, the counter is fine. For anything more, the fridge is the right call.
Cut avocados always need refrigeration
Once the avocado is cut, it should be put in the refrigerator after two hours. The USDA’s two-hour room temperature rule applies to all cut produce. After cutting, apply lemon or lime juice to all exposed flesh before chilling. The acid slows down the enzymatic browning reaction that turns the flesh of the avocado brown and provides mild protection against bacteria.
For half an avocado, leave the pit in place, apply lemon juice and press the plastic wrap directly onto the cut surface before sealing. Use within 1 to 2 days. To make mashed or sliced avocado, transfer to an airtight container, squeeze lemon juice over top, seal tightly to minimize air, and refrigerate. Use within 3 to 4 days, according to the National Center for Home Food Preservation. If you have avocado at its limit, use it in something similar that day tuna toast or Baja fish tacos instead of letting it go to waste.
Water Submersion Hack: Don’t do it
The hack popularized by TikTok to store avocados submerged in water in the refrigerator is one that the FDA specifically warns against. Research by FDA scientists has found that Listeria monocytogenes has the potential to move from the skin to the pulp of an avocado when it is submerged in refrigerated water. This matters because cleaning or disinfecting the surface before cutting the skin does nothing to remove the contamination that has moved inwards. An FDA spokesperson stated, “The FDA does not recommend this practice.”
Also, the water immersion technique is solving a problem that has better solutions. Lemon juice and airtight storage effectively slows down browning without introducing a food safety hazard. Continue with those methods.
See also
- Whole unripe avocado: Allow the counter to reach room temperature, usually 3 to 5 days. Or to delay ripening in the refrigerator for up to 2 weeks; move the counter 1 to 3 days before you want to eat.
- Whole ripe avocado: Utility for 1 to 2 days, or cooler drawer in refrigerator for 2 to 5 days.
- Avocado halved: Lemon juice on the meat, hole, plastic wrap pressed on the surface, refrigerator. Use within 1 to 2 days.
- Cut or sliced avocado: Lemon juice, airtight container, refrigerator. Use within 3 to 4 days.
- Guacamole: Plastic wrap pressed directly on the surface, airtight container, refrigerator. Use within 1 to 2 days.
- Long-term storage: Freeze as puree with lemon juice. see Can you freeze avocados?
Further reading
Do avocados need to be refrigerated often?
Can you refrigerate unripe avocados?
Yes, unlike unripe tomatoes. Refrigerating an unripe avocado stops the ripening process instead of permanently damaging it. Avocados will stay firm and unripe in the refrigerator for up to 2 weeks. When you’re ready for it to arrive, take it to the counter and it will arrive in 1 to 3 days. It’s useful for handling a bunch of avocados and smashing them when they’re ready to eat.
How do you keep avocados in the fridge without browning?
Apply lemon or lime juice to all cut surfaces and store in an airtight container with as little air as possible. Into the center of the avocado, press the plastic wrap directly onto the cut surface before sealing. Citric acid slows down the enzymatic reaction that causes browning. Some surface browning will occur after 1 to 2 days, but it can usually be scraped off to reveal the green flesh underneath. Whole, unpeeled avocados stored in the refrigerator require no additional treatment.
Should you refrigerate avocados before or after they ripen?
Both are valid depending on your purpose. Before ripening: Refrigerate to delay ripening and extend the window. After ripening: refrigerate for 1 to 2 days to 2 to 5 days. The only scenario where refrigeration doesn’t help is when you want a firm avocado to ripen at normal speed. In that case, the counter is faster and more predictable.
How long do avocados last in the fridge?
It depends on the form. Whole unripe avocados last 2 weeks in the refrigerator, with ripening interrupted. Very ripe avocados last 2 to 5 days in storage depending on ripeness. Halved avocados with lemon juice and plastic wrap last 1 to 2 days. Cut or sliced avocados in an airtight container will keep for 3 to 4 days. Guacamole, pressed to the surface with plastic wrap, lasts 1 to 2 days.
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