One of the best tools that you have as gardeners to help us estimate 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.

You should be able to estimate when to plant neeps by looking at the USDA zone info for Sioux Falls.

Planting Calendar for Neeps

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

You can not plant neeps until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant neeps in Sioux 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 neeps and expect a good harvest is probably August. You probably don't want to wait any later than that or else your neeps may not have a chance to grow to maturity. If you are starting your neeps 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 when the weather gets warmer is on May 15 in Sioux Falls. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Sioux Falls is an average the actual date of last frost changes from year to year. Since half of the time in Sioux Falls it frosts late in the year after May 15 be ready to protect your neeps if you have a surprise late frost.

USDA Zone Info for Sioux Falls

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sioux Falls

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