Are you an onion addict who dreams of a steady supply of fresh Allium? Expanding your onion repertoire with perennial onions is your best bet. Egyptian walking onions (Allium x proliferum), also called tree onion or topset onion, is a three-in-one perennial onion that can be harvested from spring to fall in Zones 5 to 9.
perennial vegetables
10 Perennial Vegetables for Colder Climates
Everyone loves fresh veggies but the amount of work that goes into a vegetable garden is a lot less appealing. Perennial vegetables are gaining popularity as a lower-maintenance alternative to conventional annual crops. You can plant perennial vegetables once and enjoy harvests for years to come.
This is not a new concept – many parts of the world rely on perennial vegetables, like cassava and taro, that live for many years and can be maintained and harvested by hand. Many annuals in the north are grown as perennials in warm, southern climates. Still, there are many wonderful perennial vegetables that grow well in colder climates.