When to Plant Bell Peppers in Isanti, MN

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Isanti it's possible to determine when it's a good idea to plant bell peppers.


Planting Calendar for Bell Peppers

Frost tolerance for bell peppers: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You can not plant bell peppers until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant bell peppers in Isanti is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant bell peppers and expect a good harvest is probably August. Any later than that and your bell peppers may not have a chance to really do well. You can get started a few weeks earlier by starting your bell peppers indoors.

Last Frost Date

In Isanti the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -30°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Isanti and it can change quite a bit from year to year. Half of the time in Isanti you get a frost after May 15 so be sure to be ready to cover your bell peppers if you have a late frost.

USDA Zone Info for Isanti

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Isanti

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