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When to Plant Celeriac in Round Lake, IL

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.

The USDA zone info for Round Lake should be used to figure out when it's the best time 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.

Celeriac are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the 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 Round Lake 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 little bit earlier by starting your celeriac indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Round Lake. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Round Lake and it changes from year to year. Half of the time in Round Lake there is a last frost after April 15 so make sure that you are prepared to cover your celeriac if you have a surprise late frost.

USDA Zone Info for Round Lake

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Round Lake

You may be interested in your other planting guides for Round Lake.