The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when to plant chinese celery by checking out the USDA zone info for Oskaloosa.

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 moderate cold which means that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant chinese celery in Oskaloosa 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 fully mature. You can get started a little bit earlier by starting your chinese celery indoors.

Last Frost Date

The average date of last frost is April 15 in Oskaloosa. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Oskaloosa is an average the actual date of last frost changes from year to year. Half of the time in Oskaloosa you get a frost after April 15 so make sure that you are prepared to cover your chinese celery in the event of one of those late frosts.

USDA Zone Info for Oskaloosa

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 Oskaloosa

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