When to Plant Onions in Michigan
Michigan’s growing season runs on daylight, not warmth, and that single fact decides everything about the calendar.
Home & garden, state by state
Michigan’s growing season runs on daylight, not warmth, and that single fact decides everything about the calendar.
Michigan sits at 42.23 degrees north, the latitude of the National Weather Service station near Lansing, and on the longest day of the year that spot…
In Massachusetts, onions go into the ground in early-to-mid spring, not fall.
Massachusetts sits at 42.36 degrees north, the latitude of Boston, where the longest day of the year delivers 15 hours and 6 minutes of daylight.
Maryland gardeners get two different answers depending on where they live: fall planting for overwintering onions near the Chesapeake, and a…
Maryland sits at 39.17 degrees north, measured at the Baltimore-Washington reference station, where the longest day of the year delivers 14 hours and 45…
Manitoba does not get an autumn onion planting window the way the mild-winter South does.
Manitoba sits at 49.92 degrees north, measured at the Winnipeg Richardson International Airport climate station, and the longest day of the year there…
Maine onions go in the ground in early spring, not fall. At 43.65 degrees north (Portland), winters are long enough and cold enough that overwintered…
Maine sits at 43.65 degrees north latitude, measured at Portland, and the state gets 15 hours and 15 minutes of daylight on the longest day of the year.