When to Plant Gherkins in Harwood Heights, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant gherkins in Harwood Heights by checking out the USDA zone info.


Planting Calendar for Gherkins

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

It's probably a bad idea to 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 Harwood Heights 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 really do well. If you are starting your gherkins indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Harwood Heights and it will vary from year to year. Half of the time in Harwood Heights you get a frost after April 15 so make sure that you are prepared to protect your gherkins in the event of a late frost.

USDA Zone Info for Harwood Heights

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 Harwood Heights

You may be interested in your other planting guides for Harwood Heights.