One of the first steps you take when you are estimating your gardening schedule is find your 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 should be able to determine when it's the best time to plant hamburg root parsley by looking at the USDA zone info for Harrisburg.

Planting Calendar for Hamburg root parsley

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

Hamburg root parsley are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant hamburg root 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 hamburg root parsley and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hamburg root parsley may not have a chance to fully mature. You can get started a little bit earlier by starting your hamburg root parsley indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Harrisburg. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Harrisburg is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Harrisburg you get a frost after April 15 so make sure that you are prepared to cover your hamburg root parsley in the event of one of those late frosts.

USDA Zone Info for Harrisburg

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

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

Plants to Grow in Harrisburg

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