When to Plant Chervil in Fox River Grove, IL

One of the best tools that you have as gardeners to help us figure out 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 Fox River Grove can be read to determine when it's possible to plant chervil.


Planting Calendar for Chervil

Frost tolerance for chervil: Tolerant of a very small amount of frost.
When to plant: 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 a bit earlier in the year than other plants that might not handle the cold.

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 Fox River Grove 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Fox River Grove. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Fox River Grove is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Fox River Grove it frosts late in the year after April 15 be ready to cover your chervil if you have one of those late frosts.

USDA Zone Info for Fox River Grove

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 Fox River Grove

You may be interested in your other planting guides for Fox River Grove.