One of the first steps you take when you are getting a good idea 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.

You should be able to determine when it's a good idea to plant field peas by using the USDA zone info for Belle Fourche.

Planting Calendar for Field Peas

Frost tolerance for field peas:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant field peas a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant field peas 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 field peas and expect a good harvest is probably August. If you wait any later than that and your field peas may not have a chance to really do well. If you are starting your field peas 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 has passed is on May 15 in Belle Fourche. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for Belle Fourche may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Belle Fourche you get surprised by a frost after May 15 so always be ready to protect your field peas 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.