85 days-Forget long or short day, this excels everywhere! Candy Hybrid is eye-opening and so easy to grow. Jumbo-to-colossal sized onion is incredibly sweet and mild. Noted for lasting quality and fine flavor. Day neutral. 85 days. It s hard to imagine a day without onions, an essential ingredient in many salads, soups and stews. Day length and temperatures can affect bulbing and size. Long day type onions, which need 13-16 hours of daylight, do best in the North; Short day types do best in the South. Day-neutral types grow well anywhere.