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.

like red onions, white onions, yellow onions, and sweet onions. However, when planting onions in the garden, it’s also ...

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.