One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for La Crosse it's possible to estimate when it's a good idea to plant celeriac.

Planting Calendar for Celeriac

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

You can plant celeriac just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant celeriac in La Crosse 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 fully mature. Starting your celeriac indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in La Crosse. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for La Crosse may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in La Crosse it frosts late in the year after May 15 so just be sure to be ready to protect your celeriac if you have a late frost.

USDA Zone Info for La Crosse

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in La Crosse

You may be interested in your other planting guides for La Crosse.