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

You should be able to estimate when it's a good idea to plant celery by looking at the USDA zone info for Jackson.

Planting Calendar for Celery

Frost tolerance for celery:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since celery are barely cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant celery in Jackson 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 celery and expect a good harvest is probably September. Any later than that and your celery may not have a chance to fully mature. Starting your celery indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Jackson is not always accurate and the actual date of last frost is different every year. Since half of the time in Jackson you get surprised by a frost after February 15 be ready to cover your celery in the event of a surprise late frost.

USDA Zone Info for Jackson

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 Jackson

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