When to Plant Celery in Whitehall, PA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant celery by using the USDA zone info for Whitehall.


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.

Since celery are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit 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 Whitehall is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant celery and expect a good harvest is probably August. 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 little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Whitehall. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Whitehall is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Whitehall you get surprised by a frost after April 15 so be sure to be ready to protect your celery if you have a surprise late frost.

USDA Zone Info for Whitehall

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Whitehall

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