One of the first steps you take when you are figuring out 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.

A common way of estimating when it's a good idea to plant chinese celery is to use the USDA zone info for Oshkosh.

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 get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant chinese celery in Oshkosh 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 grow to maturity. You can get started a couple of weeks earlier by starting your chinese celery indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Oshkosh. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Oshkosh may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Oshkosh last frost occurs after April 15 be ready to cover your chinese celery if you have a late frost.

USDA Zone Info for Oshkosh

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Oshkosh

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