One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when it's the best time to plant celeriac is to check out the USDA zone info for Chisholm.

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 one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant celeriac in Chisholm 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 celeriac and expect a good harvest is probably August. You probably don't want to wait any later than that or else your celeriac may not have a chance to really do well. Starting your celeriac indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Chisholm the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -35°F.

Since the USDA zone info for Chisholm is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Chisholm it frosts late in the year after May 15 be ready to protect your celeriac if you have a late frost.

USDA Zone Info for Chisholm

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Chisholm

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