When to Plant Zucchini in Mascoutah, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Mascoutah it's possible to determine when it's possible to plant zucchini.


Planting Calendar for Zucchini

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

Since zucchini are not cold tolerant it is important to wait until after the last frost before you can plant them.

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

The earliest that you can plant zucchini in Mascoutah 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. You probably don't want to wait any later than that or else your zucchini may not have a chance to really do well. You can get started a couple of weeks earlier by starting your zucchini indoors.

Last Frost Date

The average date of last frost is April 15 in Mascoutah. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Mascoutah is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Mascoutah last frost occurs after April 15 be ready to cover your zucchini if you have a late frost.

USDA Zone Info for Mascoutah

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°F

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

Plants to Grow in Mascoutah

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