Vlatka warned: “If your spinach is not in an airtight container, you must make sure you don't store it adjacent or near to ethylene-producing fruits and veg such as your broccoli and sprouts, as exposure to this gas will speed up the decaying process.”

Source: https://www.express.co.uk/life-style/food/1816868/how-to-store-potatoes-avoid-rotting