One of the best tools that you have as gardeners to help us determine 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 making a decision about when it's possible to plant chinese celery is to use the USDA zone info for Redmond.

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.

You can plant chinese celery just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant chinese celery in Redmond 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 couple of weeks earlier by starting your chinese celery indoors.

Last Frost Date

The average date of last frost is April 15 in Redmond. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Redmond is not always accurate the actual date of last frost will vary from year to year. Half of the time in Redmond there is a last frost after April 15 so always be ready to protect your chinese celery if you have a surprise late frost.

USDA Zone Info for Redmond

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Redmond

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