Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Jourdanton you can figure out when it's the best time to plant celeriac by using the USDA zone info.

Planting Calendar for Celeriac

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

Celeriac are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than more sensitive plants.

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

The last month that you can plant celeriac and expect a good harvest is probably October. You probably don't want to wait any later than that or else your celeriac may not have a chance to fully mature. You can get started a little bit earlier by starting your celeriac indoors.

Last Frost Date

The average date of last frost is February 15 in Jourdanton. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Jourdanton is just an average the actual date of last frost will vary from year to year. Since half of the time in Jourdanton it frosts late in the year after February 15 be ready to protect your celeriac in the event of one of those late frosts.

USDA Zone Info for Jourdanton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Jourdanton

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