The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when it's a good idea to plant parsley by reviewing the USDA zone info for Harrisburg.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant parsley a little earlier in the year because they do well in moderate cold.

The earliest that you can plant parsley in Harrisburg 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 parsley and expect a good harvest is probably September. You probably don't want to wait any later than that or else your parsley may not have a chance to fully mature. If you are starting your parsley indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Harrisburg. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Harrisburg is an average and the actual date of last frost changes from year to year. Half of the time in Harrisburg you get a frost after April 15 so be sure to be ready to cover your parsley in the event of one of those late frosts.

USDA Zone Info for Harrisburg

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 Harrisburg

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