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.

In Blackfoot you can determine when it's the best time to plant corn salad by using the USDA zone info.

Planting Calendar for Corn salad

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

It's probably a bad idea to plant corn salad until after all chance of frost has passed because they require warm weather.

The earliest that you can plant corn salad in Blackfoot is April. However, you really should wait until May 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. Any later than that and your corn salad may not have a chance to fully mature. 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 Blackfoot the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Blackfoot is just an average the actual date of last frost is different every year. Since half of the time in Blackfoot you get a frost after April 15 be ready to cover your corn salad in the event of a late frost.

USDA Zone Info for Blackfoot

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Blackfoot

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