One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Belle Fourche you can estimate when it's possible to plant potatos by using the USDA zone info.

Planting Calendar for Potatos

Frost tolerance for potatos:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Potatos do ok in cold weather which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant potatos in Belle Fourche is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant potatos and expect a good harvest is probably August. If you wait any later than that and your potatos may not have a chance to fully mature. If you are starting your potatos indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Belle Fourche the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Belle Fourche is not always accurate and the actual date of last frost is different every year. Half of the time in Belle Fourche there is a last frost after May 15 so make sure that you are ready to protect your potatos if you have a late frost.

USDA Zone Info for Belle Fourche

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 Belle Fourche

You may be interested in your other planting guides for Belle Fourche.