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.

A way of estimating when it's a good idea to plant hamburg root parsley is to consult the USDA zone info for Clarkston.

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 moderately cold tolerant which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant hamburg root parsley in Clarkston 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. If you wait any later than that and your hamburg root parsley may not have a chance to really do well. You can get started a little bit earlier by starting your hamburg root parsley indoors.

Last Frost Date

On average the last frost is on April 15 in Clarkston. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Clarkston may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Clarkston you get a frost after April 15 be ready to cover your hamburg root parsley in the event of a late frost.

USDA Zone Info for Clarkston

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 Clarkston

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