One of the first steps you take when you are determining 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 way of getting a good idea when it's possible to plant celeriac is to check out the USDA zone info for Crystal City.

Planting Calendar for Celeriac

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

Since celeriac are moderately cold tolerant you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant celeriac in Crystal City 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. If you wait any later than that and your celeriac may not have a chance to fully mature. You can get started a few weeks earlier by starting your celeriac indoors.

Last Frost Date

The average date of last frost is April 15 in Crystal City. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Crystal City is just an average and the actual date of last frost changes from year to year. Half of the time in Crystal City you get a 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 Crystal City

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Crystal City

You may be interested in your other planting guides for Crystal City.