One of the first steps you take when you are determining 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.

The first chance to plant chinese celery in Tempe should be determined by checking out 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 plants that are more sensitive to the cold.

The earliest that you can plant chinese celery in Tempe is February. However, you really should wait until March 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 September. If you wait any later than that and your chinese celery may not have a chance to fully mature. Starting your chinese celery indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Tempe. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Tempe may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Tempe you get a frost after February 15 be ready to cover your chinese celery if you have a surprise late frost.

USDA Zone Info for Tempe

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Tempe

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