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.

The best time to plant chinese celery in New London can be figured out by looking at 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.

Since chinese celery do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant chinese celery in New London 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. You probably don't want to wait any later than that or else your chinese celery may not have a chance to fully mature. You can get started a little bit earlier by starting your chinese celery indoors.

Last Frost Date

In New London the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for New London is just an average the actual date of last frost will vary from year to year. Half of the time in New London there is a last frost after April 15 so make sure that you are prepared to protect your chinese celery if you have one of those late frosts.

USDA Zone Info for New London

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in New London

You may be interested in your other planting guides for New London.