Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant turnips in Detroit Lakes should be estimated by looking at the USDA zone info.

Planting Calendar for Turnips

Frost tolerance for turnips:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's not a good idea to plant turnips until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant turnips in Detroit Lakes is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant turnips and expect a good harvest is probably August. You probably don't want to wait any later than that or else your turnips may not have a chance to fully mature. You can get started a little bit earlier by starting your turnips indoors.

Last Frost Date

The average date of last frost is May 15 in Detroit Lakes. It might get as low as -35°F during the coldest months of winter.

Keep in mind that USDA zone info for Detroit Lakes may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Detroit Lakes there is a last frost after May 15 so make sure that you are prepared to protect your turnips in the event of one of those late frosts.

USDA Zone Info for Detroit Lakes

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Detroit Lakes

You may be interested in your other planting guides for Detroit Lakes.