Remember, onions are cut-and-come-again vegetables, so you’ll have a continuous supply if you follow these steps. Planting onion sets best planting time: To be successful growing onions , you need to know which onion is right for your growing region. Find out which onion type is right for your garden. Learn when and how to plant onions , whether from seed or sets. Check out the usda plant hardiness zone map here. Use our map to check your latitude and choose the best onion type for your location. · step-by-step guide to planting onions in your zone , including a planting calendar, timing tips, and care instructions. April 25 – may 10 - zone 4: “cooler zones like 6 and below should wait until early spring—as soon as the soil is workable. ” the worst time to plant is late spring—especially in warmer regions. 2–4 weeks before your average last frost date, once the soil is workable and around 50°f. · want to grow flavorful, long-storing onions ? We explain the difference between short, intermediate, and long day onions. April 15 – may 1 - zone 5: · “in warmer zones , such as 7 and up, you can plant in late fall or winter,” says anna ohler, owner of bright lane gardens. Or, for a quick glance at your general plant hardiness zone , use our map. April 5 – april 20 choose dormant sets that are 0. 5 to 0. 75 in diameter for the best bulb development. Discover top tips for growing, harvesting, and curing onions like a pro.
