Timeline: Onion transplants can be started mid-February and grown through the end of March. Planting can take place from mid-April through mid-May. Green onions can be harvested June through ...

From transplants: How long do onions take ... The maturity duration is largely influenced by the planting method. Transplanting onion seedlings or using onion sets reduces the duration by about ...

My neighbor starts planting his vegetable garden a month before I do. I’m worried about frost if I plant too early. What do you recommend?