When to Plant Gherkins in Mount Prospect, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when it's the best time to plant gherkins by reviewing the USDA zone info for Mount Prospect.


Planting Calendar for Gherkins

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

You can not plant gherkins until after the last frost because they are not cold tolerant.

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

The earliest that you can plant gherkins in Mount Prospect 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 gherkins and expect a good harvest is probably August. Any later than that and your gherkins may not have a chance to fully mature. You can get started a few weeks earlier by starting your gherkins indoors.

Last Frost Date

In Mount Prospect the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Mount Prospect is an average and the actual date of last frost will vary from year to year. Half of the time in Mount Prospect it frosts late in the year after April 15 so make sure that you are ready to protect your gherkins if you have a surprise late frost.

USDA Zone Info for Mount Prospect

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 Mount Prospect

You may be interested in your other planting guides for Mount Prospect.