One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's possible to plant chinese celery is to consult the USDA zone info for Defiance.

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 do ok in very little cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese celery in Defiance 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. Any later than that and your chinese celery may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your chinese celery indoors.

Last Frost Date

The average date of last frost is April 15 in Defiance. In the coldest months of winter you can expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Defiance may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Defiance last frost occurs after April 15 so make sure that you are ready to cover your chinese celery if you have one of those late frosts.

USDA Zone Info for Defiance

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 Defiance

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