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.

You can figure out when it's the best time to plant chinese celery in Phoenixville by referring to the USDA zone info.

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 well in mild cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese celery in Phoenixville 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 chinese celery and expect a good harvest is probably August. Any later than that and your chinese celery may not have a chance to grow to maturity. If you are starting your chinese celery indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Phoenixville. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Phoenixville is just an average the actual date of last frost will vary from year to year. Since half of the time in Phoenixville you get a frost after April 15 be ready to cover your chinese celery in the event of a surprise late frost.

USDA Zone Info for Phoenixville

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 Low	0°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 Phoenixville

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