How Long Does Onions (Whole) Last?
Whole yellow, white, and red onions.
The Short Answer
For longer storage, onions (whole) can be frozen for 3–6 months while maintaining good quality. At room temperature in the pantry, expect 30–90 days under normal conditions. These times are based on USDA food safety guidelines and assume proper storage conditions.
Storage Times at a Glance
Source: USDA FoodKeeper | Last verified: March 19, 2026 | Our methodology
Onions and potatoes are enemies in storage. They release gases and moisture that accelerate each other's spoilage. Store them separately.
How to Store Onions (Whole)
Store in a cool, dry, dark place with good ventilation. A mesh bag is ideal. Keep away from potatoes.
How to Tell if Onions (Whole) Has Gone Bad
Look for these signs that onions (whole) has spoiled: soft spots, mold, strong unpleasant smell, discolored or mushy layers.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Always store in airtight containers, refrigerate within 2 hours of purchase or preparation, and trust your senses. If something looks, smells, or feels off, discard it regardless of how many days it has been. Freezing is always an option if you will not use it within the refrigerator window.
Frequently Asked Questions
A cut onion lasts 7-10 days in the fridge when stored in a sealed container or wrapped tightly.