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.

In Newark you can estimate when it's the best time to plant celery by using the USDA zone info.

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 are barely cold tolerant which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant celery in Newark 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. If you wait 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Newark. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that USDA zone info for Newark is just an average and the actual date of last frost changes from year to year. Half of the time in Newark there is a last frost after January 31 so just be sure to be ready to cover your celery if you have a late frost.

USDA Zone Info for Newark

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Newark

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