Keep Delicate Herbs in a Glass of Water
Cut the stems of delicate herbs (such as asparagus or parsley). Put them upright in a glass of water. Then, cover with a plastic bag. Use rubber band to hold the plastic cover. Put it in the refrigerator.
Source: Cook Smart
prefer green onions to regular ones and when spring comes, I tend to over-buy them only to discover that I can’t eat the entire bundle. By placing them inside a plastic bottle after drying them completely and putting them in the freezer, they will last long enough to taste as if they were freshly bought.
For regular onion I have another suggestion and although I know that it will bring a couple of smiles, I can’t help but share it with you. Pantyhose are the unlikely storage place for onions, with each vegetable being individually wrapped up with knots between them to preserve freshness.