An open mesh bag is best for storage. Mild- flavored onions keep for only a month or so. Stronger flavored or more pungent onions keep 3-4 months. Smut Onion relatives Shallots are smaller than onions and are grown by planting a division or clove. Garlic is a strong-flavored onion relative that is also grown by planting a division or clove in late summer.
Multiplier onions are also divided at the base.
They are normally used for green onions in the spring because the bulb development is poor and the flavor is strong. Chives are grown for the green foliage. They usually grow in clumps. Leeks require a long cool season for best results. They are usually planted in early spring and dug in late September to mid- October.