frostdate name logo in white
frostdate name logo in white

When to Plant Chinese celery in Watsonville, CA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's the best time to plant chinese celery is to refer to the USDA zone info for Watsonville.


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 moderate cold which means that you can plant them slightly earlier than other plants that might not handle the cold.

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

The earliest that you can plant chinese celery in Watsonville 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. If you are starting your chinese celery indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Watsonville. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Watsonville is an average the actual date of last frost changes from year to year. Half of the time in Watsonville last frost occurs after February 15 so make sure that you are prepared to protect your chinese celery in the event of a late frost.

USDA Zone Info for Watsonville

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 Watsonville

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