One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

In River Falls you can determine when to plant peas by looking at the USDA zone info.

Planting Calendar for Peas

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

Peas are one of those plants that can tolerate quite a bit of cold weather which means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant peas in River Falls 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 peas and expect a good harvest is probably August. You probably don't want to wait any later than that or else your peas may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your peas indoors.

Last Frost Date

The average date of last frost is May 15 in River Falls. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for River Falls is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in River Falls there is a last frost after May 15 be ready to cover your peas in the event of a late frost.

USDA Zone Info for River Falls

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 River Falls

You may be interested in your other planting guides for River Falls.