One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Casper it's a good idea to determine when it's possible to plant neeps.

Planting Calendar for Neeps

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

It's probably not a good idea to plant neeps until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant neeps in Casper is April. However, you really should wait until May 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 couple of weeks earlier by starting your neeps indoors.

Last Frost Date

In Casper the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Casper is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Casper you get surprised by a frost after April 15 be ready to cover your neeps if you have one of those late frosts.

USDA Zone Info for Casper

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Casper

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