Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when you can plant celery is to look at the USDA zone info for Barstow.

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.

Celery do ok in mild cold which means that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant celery in Barstow 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 grow to maturity. Starting your 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 Barstow. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for Barstow is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Barstow it frosts late in the year after February 15 be ready to protect your celery if you have a late frost.

USDA Zone Info for Barstow

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 Barstow

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