Onion sets are widely available in spring, sold as yellow, white, or red, and often not identified by variety. Try searching online or in garden catalogs to find sets or slips for autumn planting.

Every soup and stew starts with alliums like onions and leeks, so having them in the garden makes sense. Here's how to plant them.

Grow amazing alliums and learn how to plant onion bulbs at home. Starting onions from seed is easy; learn how to plant onion seeds and the best cultivars based on your growing zone.

Avoid by always purchasing sets from a reputable source and not growing onions on the same site more than two years running. Onions with red or yellow bulbs are less affected than white ones.