Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant chinese celery in Oregon City should be determined by looking at 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 one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant chinese celery in Oregon City 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 really do well. You can get started a little bit earlier by starting your chinese celery indoors.

Last Frost Date

In Oregon City the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 15°F.

It's important to remember that USDA zone info for Oregon City is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Oregon City it frosts late in the year after March 15 be ready to cover your chinese celery if you have one of those late frosts.

USDA Zone Info for Oregon City

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Oregon City

You may be interested in your other planting guides for Oregon City.