frostdate name logo in white
frostdate name logo in white

When to Plant Chinese celery in Highland Park, IL

One of the best tools that you have as gardeners to help us determine your 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 your area.

You can figure out when it's possible to plant chinese celery in Highland Park by referring to the USDA zone info.


Planting Calendar for Chinese celery

Frost tolerance for chinese celery: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Chinese celery are barely cold tolerant which means that you can start planting them slightly earlier than other plants that might not handle the cold.

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

The earliest that you can plant chinese celery in Highland Park 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 chinese celery and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chinese celery may not have a chance to really do well. If you are starting your chinese celery indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Highland Park the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Highland Park is an average the actual date of last frost is different every year. Since half of the time in Highland Park you get surprised by a frost after April 15 be ready to cover your chinese celery if you have one of those late frosts.

USDA Zone Info for Highland Park

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 Highland Park

You may be interested in your other planting guides for Highland Park.