The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Miles City you can estimate when it's the best time to plant turnips by using the USDA zone info.

Planting Calendar for Turnips

Frost tolerance for turnips:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's not a good idea to plant turnips until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant turnips in Miles City 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. If you wait any later than that and your turnips may not have a chance to fully mature. If you are starting your turnips indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Miles City. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Miles City and it can change quite a bit from year to year. Half of the time in Miles City you get a frost after May 15 so make sure that you are prepared to cover your turnips in the event of a surprise late frost.

USDA Zone Info for Miles City

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Miles City

You may be interested in your other planting guides for Miles City.