Food and Recipes Veggies Potatoes How Long Do Potatoes Last? Potatoes will last a long time if you store them correctly. Here's what you need to know. By Tamara Gane Tamara Gane Tamara Gane is a travel, food, and lifestyle writer whose work has appeared in more than 30 prominent publications, including Travel and Leisure, TripSavvy, The Washington Post, The Independent, NPR, Taste of Home, Wine Enthusiast, and more. Southern Living's editorial guidelines Updated on May 15, 2023 Medically reviewed by Jerlyn Jones, MS, MPA, RDN, LD, CLT Fact checked by Jennifer Hawk Fact checked by Jennifer Hawk Jennifer Hawk is a former English professor with 24 years of experience guiding even the most reluctant through the labyrinths of writing, rhetoric, and research. brand's fact checking process Share Tweet Pin Email Is there anything as comforting as homemade mashed potatoes? It's a basic dish with just a handful of ingredients, which is why each element needs to shine. Old, green potatoes just won't make the cut. If you know how long potatoes last, you can use them in their prime so your delicious potato side dishes will do you proud every time. You'll also be able to determine if your potatoes are still safe to eat after they've sprouted or turned green. Here's everything you need to know about how long potatoes last. Ryan Benyi Photography / Getty Images Potatoes last longer if you don't store them in the refrigerator. Learning how to store potatoes the right way will help them last longer. Unlike many other vegetables, potatoes shouldn't be stored in the refrigerator. At anything less than 50 degrees, the starches in potatoes turn to sugar, resulting in discoloration and alterations in flavor. Potatoes last longer if you store them someplace cool, dark, and dry. Store potatoes in a dry place to avoid spoilage. Additionally, if you expose them to light, they'll produce chlorophyll and glycoalkaloids and turn green and bitter. Therefore, the best place to store potatoes is someplace cool, dark, and dry like a drawer or pantry. Avoid storing them too close to the oven since exposure to heat promotes sprouting. Potatoes last longer if they're well-ventilated. Have you ever noticed that there are little holes in the plastic bags of potatoes in the grocery store? This is because potatoes release carbon dioxide and if it has nowhere to go, it will cause moisture and rotting. Leave potatoes in their original bag, or transfer them somewhere else they can breathe, like a paper bag or cardboard box. Potatoes last longer if they're stored away from fruit. It's recommended that you keep fruit far away from potatoes, says Jerlyn Jones, registered dietitian nutritionist based in Atlanta. Fruit produces ethylene, a gas that causes potatoes to sprout prematurely. How long will potatoes last if you store them the right way? So now that you've moved your potatoes to a cardboard box at the bottom of your pantry, you're probably wondering how long they'll last. It depends on a number of factors, including the temperature and humidity in your house, but most experts agree that when stored properly, potatoes will last two or three months or more. Can you eat green potatoes or sprouted potatoes? So, what if, despite all your best efforts, you've got some potatoes on your hands which sprouted or turned green? Sprouted potatoes aren't a problem as long as they haven't shriveled and grown soft. Just cut off and dispose of the eyes, or sprouts, and prepare them as usual. Green potatoes are another matter. As discussed above, potatoes exposed to too much light turn green and bitter. This not only affects your potato's flavor, but it can even make you sick. To play it safe, it's best to eat your potatoes before they turn green. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit Sources Southern Living is committed to using high-quality, reputable sources to support the facts in our articles. Read our editorial guidelines to learn more about how we fact check our content for accuracy. Datir SS, Yousf S, Sharma S, Kochle M, Ravikumar A, Chugh J. Cold storage reveals distinct metabolic perturbations in processing and non-processing cultivars of potato (Solanum tuberosum L.). Scientific Reports. 2020;10(1). doi:10.1038/s41598-020-63329-5 Garden-Robinson J, Thompson A, Preston D. Potatoes From Garden to Table. North Dakota State University Agricultural Affairs. Okamoto H, Ducreux LJM, Allwood JW, Hedley PE, Wright A, Gururajan V, Terry MJ, Taylor MA. Light Regulation of Chlorophyll and Glycoalkaloid Biosynthesis During Tuber Greening of Potato S. tuberosum. Frontiers in Plant Science. 2020 Jun 30;11:753. doi: 10.3389/fpls.2020.00753. Christensen CT, Reyes-Cabrera J, Rens LR, Pack JE, Zotarelli L, Hutchinson C, et al. Growing Potatoes in the Florida Home Garden. University of Florida Institute of Food and Agricultural Sciences. Lee L. Is It Safe to Eat a Potato That Has Sprouted? North Carolina State University Extension. U.S. Department of Agriculture. Are green potatoes dangerous? AskUSDA.