The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's the best time to plant neeps is to use the USDA zone info for Bismarck.

Planting Calendar for Neeps

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

You can not plant neeps 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 neeps in Bismarck 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 neeps and expect a good harvest is probably August. If you wait any later than that and your neeps may not have a chance to really do well. Starting your neeps indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Bismarck the average date of last frost happens on May 15. You should expect an average low temperature of -30°F in the coldest months of winter.

It's important to remember that USDA zone info for Bismarck is just an average and the actual date of last frost is different every year. Half of the time in Bismarck you get surprised by a frost after May 15 so be sure to be ready to protect your neeps if you have a late frost.

USDA Zone Info for Bismarck

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 Bismarck

You may be interested in your other planting guides for Bismarck.