The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant celeriac in Bolivar should be determined by checking out 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.

Since celeriac do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant celeriac in Bolivar 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. 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 Bolivar. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Bolivar may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Bolivar you get surprised by a frost after April 15 be ready to cover your celeriac in the event of a late frost.

USDA Zone Info for Bolivar

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 Bolivar

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