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

One way of figuring out when to plant hamburg root parsley is to consult the USDA zone info for Oak Ridge.

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 earlier than other frost tender plants.

The earliest that you can plant hamburg root parsley in Oak Ridge 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 grow to maturity. Starting your hamburg root parsley indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Oak Ridge. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Oak Ridge is just an average and the actual date of last frost is different every year. Since half of the time in Oak Ridge there is a last frost after April 15 be ready to cover your hamburg root parsley in the event of a late frost.

USDA Zone Info for Oak Ridge

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 Oak Ridge

You may be interested in your other planting guides for Oak Ridge.