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

The first chance to plant hamburg root parsley in Harrisburg should be figured out by referring to the USDA zone info.

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 do ok in some cold which tells us that you can plant them just a bit earlier in the year than other frost tender 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. Any later than that and your hamburg root parsley may not have a chance to really do well. You can get started a couple of weeks 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. It might get as low as 5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Harrisburg is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Harrisburg it frosts late in the year after April 15 so always be ready to cover your hamburg root parsley in the event of a late frost.

USDA Zone Info for Harrisburg

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Harrisburg

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