When to Plant Corn salad in International Falls, MN

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's a good idea to plant corn salad is to check out the USDA zone info for International Falls.


Planting Calendar for Corn salad

Frost tolerance for corn salad: Not tolerant of frost.
When to plant: After the last frost.

Since corn salad are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant corn salad in International Falls 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 corn salad and expect a good harvest is probably August. If you wait any later than that and your corn salad may not have a chance to grow to maturity. If you are starting your corn salad indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In International Falls the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -40°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for International Falls and it changes from year to year. Since half of the time in International Falls you get surprised by a frost after May 15 be ready to protect your corn salad if you have 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.