When to Plant Chervil in Yorkville, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant chervil in Yorkville should be figured out by reviewing the USDA zone info.

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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 do ok in moderate cold 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 Yorkville 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. You probably don't want to wait any later than that or else your chervil may not have a chance to really do well. Starting your chervil indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Yorkville and it will vary from year to year. Half of the time in Yorkville last frost occurs after April 15 so always be ready to cover your chervil if you have a late frost.

USDA Zone Info for Yorkville

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 Yorkville

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