The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Opelousas can be reviewed to determine when it's a good idea to plant celery.

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.

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

The earliest that you can plant celery in Opelousas 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. If you are starting your celery indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Opelousas. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Opelousas and it is different every year. Since half of the time in Opelousas last frost occurs after February 15 be ready to cover your celery if you have one of those late frosts.

USDA Zone Info for Opelousas

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 Opelousas

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