One of the best tools that you have as gardeners to help us determine 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.

You can determine when it's possible to plant zucchini in Calumet City by referring to the USDA zone info.

Planting Calendar for Zucchini

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

Since zucchini do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant zucchini in Calumet 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 zucchini and expect a good harvest is probably August. If you wait any later than that and your zucchini may not have a chance to really do well. If you are starting your zucchini indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Calumet City the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Calumet City is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Calumet City it frosts late in the year after April 15 be ready to cover your zucchini in the event of a late frost.

USDA Zone Info for Calumet City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Calumet City

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