How Do You Tell If An Onion Is Good Or Bad? There are three ways to tell if your onions have gone bad: color, feel, and smell. Spoiled onions may develop dark spots, which will eventually begin to grow mold. You’ll also want to avoid onions that have started sprouting, as this indicates they’re beginning
Can Onions Rot? Can onions rot? Mushy rot in onions is the Achilles’ heel of stored Allium. It will not only rot an infected bulb, but the disease spreads readily in storage situations. One onion with mushy rot can spoil an entire harvested crop. This is because the disease is caused by a fungus, Rhizopus
Do Onions Spoil Quickly? Do onions spoil quickly? Peeled onions can be stored in the fridge for up to two weeks, while diced or sliced onions will only last for 7–10 days (4). Avoid storing whole, unpeeled onions in the fridge, as they easily absorb moisture. Doing so may cause them to become mushy and