The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Carnegie you can figure out when it's a good idea to plant hamburg root parsley by looking at 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 moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant hamburg root parsley in Carnegie 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 fully mature. If you are starting your hamburg root parsley indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Carnegie is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Carnegie last frost occurs after April 15 be ready to cover your hamburg root parsley if you have one of those late frosts.

USDA Zone Info for Carnegie

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 Carnegie

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