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

By looking at the USDA zone info for Billings you will be able to estimate when it's a good idea to plant neeps.

Planting Calendar for Neeps

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

It's not a good idea to plant neeps until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant neeps in Billings 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. You can get started a little bit earlier by starting your neeps indoors.

Last Frost Date

In Billings the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Billings 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 Billings you get surprised by a frost after May 15 so make sure that you are ready to protect your neeps if you have a late frost.

USDA Zone Info for Billings

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 Billings

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