When to Plant Celery in Claremont, CA

The USDA Zone info is a great tool for gardeners to help us figure out 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 Claremont should be reffered to in order to figure out when 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.

Celery tend to make it in a tiny bit of cold which means that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant celery
Possibly ok, but a risky time to plant celery
Probably not a good time to plant celery

The earliest that you can plant celery in Claremont 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. You probably don't want to wait any later than that or else your celery may not have a chance to fully mature. You can get started a little bit earlier by starting your celery indoors.

Last Frost Date

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

Since the USDA zone info for Claremont is just an average the actual date of last frost is different every year. Since half of the time in Claremont there is a last frost after February 15 be ready to cover your celery if you have a surprise late frost.

USDA Zone Info for Claremont

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 Low25°F
Highest Expected Low30°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 Claremont

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