Allium

Onions can be divided into two categories: strong-flavored ones that store well and mild, sweet ones that don't last long in storage. There are yellow, white, and red varieties in both categories.

Biennial monocot with prominent bulb, hollow cylindrical leaves and an odor when bruised. Roots shallow, 12-18" Has been used for food since very early times; was eaten in Egypt before 3000 B.C. Also used as flavoring in nearly every current world culture. Botanically, there are three groups. Many claims are…