Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when to plant chinese celery is to check out the USDA zone info for Zimmerman.

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 one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant chinese celery in Zimmerman 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 chinese celery and expect a good harvest is probably August. If you wait any later than that and 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 couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Zimmerman. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Zimmerman is just an average the actual date of last frost changes from year to year. Since half of the time in Zimmerman there is a last frost after May 15 be ready to cover your chinese celery in the event of a late frost.

USDA Zone Info for Zimmerman

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zimmerman

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