USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage conditions, initial freshness, and potential contamination change the answer — and those details are easy to miss.
Last reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk


This food is often safe when handled and stored properly, but safety depends on how it's been kept and whether any spoilage signs are present.
⏱️ Safe for up to 30 days after expiry if properly stored and showing no spoilage signs.
Get a yes / no answer for your potatoes →
Pantry
Room temperature
Store in a cool, dark place
Proper airflow and humidity control can extend produce freshness. Using produce storage containers (Amazon) in the refrigerator helps regulate moisture and slow spoilage.
60 days
Sprouts (remove), green skin (toxic in excess), soft spots
Mash and freeze for later use
Sweet potatoes, yams
The expiration date on potatoes is more about quality than safety. Potatoes can last for several weeks to months if stored properly, but they may start to sprout or shrivel over time. While sprouted or shriveled potatoes are still safe to eat after removing the affected areas, their quality in terms of taste and texture may be compromised. It's best to use potatoes before they reach this stage for optimal taste and texture.
To determine if potatoes have gone bad, look for signs of sprouting, green discoloration, softness, or wrinkling. A foul odor or mold growth are also indicators of spoilage. Avoid consuming potatoes that have any of these visual, smell, or texture changes.
Potatoes are generally safe to consume, but improper storage and handling can lead to foodborne illnesses. One of the main risks associated with potatoes is the growth of Clostridium botulinum, a bacterium that can produce the botulinum toxin under anaerobic conditions. To prevent this, it's important to store potatoes in a cool, dry, and well-ventilated place to inhibit the growth of bacteria and reduce the risk of toxin formation.
To prolong the shelf life of potatoes, store them in a cool, dark, and well-ventilated place, ideally between 45-50°F (7-10°C). Avoid storing potatoes in the refrigerator as the cold temperatures can convert the potato starches into sugar, affecting their taste and texture. Keep potatoes away from light to prevent them from turning green and developing solanine, a toxic compound. If storing potatoes for an extended period, check them regularly for any signs of sprouting or spoilage and discard any affected ones to prevent the spread of decay.
Potatoes are one of the most widely consumed and versatile foods in the world. They are native to the Andes region of South America and were introduced to Europe in the 16th century. Potatoes have played a significant role in historical events such as the Irish Potato Famine. They are a staple ingredient in many cuisines globally, with popular dishes like French fries, mashed potatoes, and potato salad.
Potatoes stored at room temperature for 5 days may start sprouting or develop a green tint. While they may still be safe to eat, the quality and taste might have deteriorated. Check for any soft spots, mold, or off odors before consuming. It's best to store Potatoes in a cool, dark place for optimal freshness.
Cooking Potatoes can actually extend their shelf life compared to raw Potatoes. Once cooked, store them in the refrigerator in an airtight container. Cooked Potatoes can last for 3-5 days in the fridge. To maintain quality, reheat them thoroughly before consumption.
It's best to store Potatoes away from onions in the pantry. Onions release gases that can cause Potatoes to spoil faster. Keep Potatoes in a well-ventilated, cool, and dark place to prevent early sprouting or spoilage. Store onions in a separate area to maintain both foods' quality.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionImportant: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.
Disclosure: As an Amazon Associate, we earn from qualifying purchases. This helps support our site and allows us to continue providing free food safety information.