One of the best tools that you have as gardeners to help us figure out 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 checking out the USDA zone info for International Falls you will be able to estimate when it's the best time to plant peas.

Planting Calendar for Peas

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

You can plant peas much earlier in the year because they are very cold tolerant.

The earliest that you can plant peas in International 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. Any later than that and your peas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your peas indoors.

Last Frost Date

On average the last frost has passed is on May 15 in International Falls. In the coldest months of winter you should expect an average low temperature of -40°F.

Always keep in mind 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 International Falls and it will vary from year to year. Half of the time in International Falls it frosts late in the year after May 15 so make sure that you are ready to protect your peas in the event of a surprise late frost.

USDA Zone Info for International Falls

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-40°F
Highest Expected Low	-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in International Falls

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