When to Plant Peas in Mankato, MN

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.

The USDA zone info for Mankato should be reviewed to determine when 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.

Peas do ok in pretty solid cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant peas
Possibly ok, but a risky time to plant peas
Probably not a good time to plant peas

The earliest that you can plant peas in Mankato 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 really do well. Starting your peas indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Mankato may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Mankato there is a last frost after May 15 so be sure to be ready to cover your peas in the event of one of those late frosts.

USDA Zone Info for Mankato

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 Mankato

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