One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for Youngtown can be looked at to figure out when it's possible 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 are barely cold tolerant which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant celery in Youngtown 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 really do well. You can get started a few weeks earlier by starting your celery indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Youngtown. In the coldest months of winter you can expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Youngtown is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Youngtown you get a frost after February 15 so just be sure to be ready to protect your celery if you have one of those late frosts.

USDA Zone Info for Youngtown

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 Low	25°F
Highest Expected Low	30°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 Youngtown

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