When to Plant Zucchini in Shawano, WI

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Shawano can be used to determine when to plant zucchini.


Planting Calendar for Zucchini

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

Since zucchini require warm weather you need to wait until after the last frost has passed 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 Shawano is May. However, you really should wait until June 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. You can get started a couple of weeks earlier by starting your zucchini indoors.

Last Frost Date

The average date of last frost is May 15 in Shawano. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for Shawano is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Shawano you get surprised by a frost after May 15 so be sure to be ready to cover your zucchini in the event of one of those late frosts.

USDA Zone Info for Shawano

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Shawano

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