One of the first steps you take when you are making a decision about 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.

A common way of getting a good idea when it's possible to plant celeriac is to refer to the USDA zone info for Hermitage.

Planting Calendar for Celeriac

Frost tolerance for celeriac:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Celeriac do well in moderate cold which tells us that you can plant them earlier than other frost tender plants.

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

The last month that you can plant celeriac and expect a good harvest is probably September. You probably don't want to wait any later than that or else your celeriac may not have a chance to really do well. If you are starting your celeriac indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Hermitage. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Hermitage may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Hermitage there is a last frost after April 15 so make sure that you are ready to cover your celeriac in the event of a late frost.

USDA Zone Info for Hermitage

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Hermitage

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