Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant chinese celery is to examine the USDA zone info for Rosenberg.

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 a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese celery in Rosenberg 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. Any later than that and your chinese celery may not have a chance to fully mature. You can get started a few weeks earlier by starting your chinese celery indoors.

Last Frost Date

The average date of last frost is February 15 in Rosenberg. In the coldest months of winter you can expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Rosenberg is an average and the actual date of last frost is different every year. Half of the time in Rosenberg you get surprised by a frost after February 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 Rosenberg

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Rosenberg

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