When to Plant Zucchini in Lake in the Hills, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when you can plant zucchini is to consult the USDA zone info for Lake in the Hills.


Planting Calendar for Zucchini

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

Since zucchini are not cold tolerant it's 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 Lake in the Hills 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 grow to maturity. You can get started a couple of weeks earlier by starting your zucchini indoors.

Last Frost Date

On average the last frost is on April 15 in Lake in the Hills. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Lake in the Hills is an average the actual date of last frost changes from year to year. Half of the time in Lake in the Hills it frosts late in the year after April 15 so be sure to be ready to cover your zucchini in the event of a surprise late frost.

USDA Zone Info for Lake in the Hills

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 Lake in the Hills

You may be interested in your other planting guides for Lake in the Hills.