Onion sets are an easy and reliable way to grow onions at home. These small, immature bulbs are planted directly into the garden and grow into full-sized onions over the season, making them a great choice for beginner and experienced gardeners alike.
They are usually planted in spring once the soil can be worked and the risk of severe frost has passed. Onion sets grow best in a sunny location with loose, well-drained soil and consistent moisture during active growth.
As the plants mature, their green tops can be used lightly like green onions, while the bulbs continue to size up below the soil. Depending on the variety, onion sets may produce yellow, red, or white onions for fresh eating, cooking, and storage.
Onion sets are well suited to garden beds, raised beds, and even larger containers. With simple planting and steady care, they provide a practical and rewarding harvest for the kitchen garden.