One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when to plant chervil by reviewing the USDA zone info for Suamico.

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 frost tender plants.

The earliest that you can plant chervil in Suamico 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 grow to maturity. Starting your chervil indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Suamico the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Suamico may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Suamico 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 Suamico

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Suamico

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