When can I plant Celeriac in Zone 2a

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A common way of determining when you can plant celeriac is to look at the USDA zone info for Zone 2a.


Planting Calendar for Celeriac

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

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant celeriac
Possibly ok, but a risky time to plant celeriac
Probably not a good time to plant celeriac

The earliest that you can plant celeriac in Zone 2a is April. However, you really should wait until May 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. If you wait any later than that and your celeriac may not have a chance to fully mature. If you are starting your celeriac indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 2a the average date of last frost happens on May 15. In the coldest months of winter we can expect an average low temperature of -50°F.

Since the USDA zone info for Zone 2a may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 2a it frosts late in the year after May 15 so always be ready to cover your celeriac in the event of one of those late frosts.

USDA Zone Info for Zone 2a

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-50°F
Highest Expected Low-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Zone 2a

You may be interested in our other planting guides for Zone 2a.