One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant peanut in Thief River Falls should be estimated by looking at the USDA zone info.

Planting Calendar for Peanut

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

Since peanut do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant peanut in Thief River Falls 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 peanut and expect a good harvest is probably August. If you wait any later than that and your peanut may not have a chance to fully mature. Starting your peanut indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Thief River Falls. It might get as low as -35°F during the coldest months of winter.

Since the USDA zone info for Thief River Falls is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Thief River Falls you get a frost after May 15 be ready to cover your peanut if you have one of those late frosts.

USDA Zone Info for Thief River Falls

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 Thief River Falls

You may be interested in your other planting guides for Thief River Falls.