Before planting it is a good idea to find your USDA Zone info to determine 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.

You will be able to estimate when it's possible to plant corn salad by using the USDA zone info for Sioux City.

Planting Calendar for Corn salad

Frost tolerance for corn salad:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant corn salad until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant corn salad in Sioux City 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. You probably don't want to wait any later than that or else your corn salad may not have a chance to fully mature. You can get started a little bit earlier by starting your corn salad indoors.

Last Frost Date

On average the last frost is on April 15 in Sioux City. In the coldest months of winter you should expect an average low temperature of -20°F.

Always keep in mind that USDA zone info for Sioux City 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 Sioux City it frosts late in the year after April 15 so always be ready to protect your corn salad if you have a surprise late frost.

USDA Zone Info for Sioux City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Sioux City

You may be interested in your other planting guides for Sioux City.