The USDA Zone info is a great tool for gardeners to help us determine 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.

The best time to plant neeps in Spearfish can be figured out by looking at the USDA zone info.

Planting Calendar for Neeps

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

Neeps require warm weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant neeps in Spearfish 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. Any later than that and your neeps may not have a chance to fully mature. You can get started a little bit earlier by starting your neeps indoors.

Last Frost Date

On average the last frost is on April 15 in Spearfish. In the coldest months of winter you can expect an average low temperature of -20°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spearfish and it will vary from year to year. Since half of the time in Spearfish you get surprised by a frost after April 15 be ready to protect your neeps if you have one of those late frosts.

USDA Zone Info for Spearfish

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 Spearfish

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