Hybrid Candy Onion Sets & Seeds for Sale from Gurney'sA reliable customer favorite, Candy Onion Hybrid combines the best qualities of short-day and long-day onions. A day-neutral variety, it bears large, white bulbs with a mild flavor. They're great eaten raw, on sandwiches, lightly cooked in salsas and stir-fries, and cooked into meat dishes, casseroles and other recipes. It's also a fairly good storage variety.Growing Candy Onion PlantsOnions' growth is affected by the amount of light received. Day-neutral onions, like Candy Hybrid, begin forming bulbs when daylight lasts 12-14 hours, making them well adapted throughout many areas of the United States, except the far North and deep South. These Candy onion plants grow best when planted in full sun and well-drained, fertile soil. 85 DAYS.