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

In Leonia you can figure out when it's a good idea to plant chervil by looking at the USDA zone info.

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 just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant chervil in Leonia 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. If you wait any later than that and your chervil may not have a chance to grow to maturity. If you are starting your chervil indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Leonia. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Leonia is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Leonia you get surprised by a frost after April 15 be ready to cover your chervil in the event of a surprise late frost.

USDA Zone Info for Leonia

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Leonia

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