When can I plant Chervil in Evanston, IL

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

It's a good idea to figure out when to plant chervil by checking out the USDA zone info for Evanston.


Planting Calendar for Chervil

Frost tolerance for chervil: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Since chervil are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than other frost tender plants.

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

The earliest that you can plant chervil in Evanston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chervil and expect a good harvest is probably August. Any later than that and your chervil may not have a chance to fully mature. If you are starting your chervil indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Evanston. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Evanston is an average and our actual date of last frost changes from year to year. Since half of the time in Evanston we get surprised by a frost after April 15 be ready to protect your chervil if we have a surprise late frost.

USDA Zone Info for Evanston

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 Evanston

You may be interested in our other planting guides for Evanston.