One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's a good idea to plant hamburg root parsley by checking out the USDA zone info for Hawthorne.

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

The earliest that you can plant hamburg root parsley in Hawthorne 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. You can get started a couple of weeks earlier by starting your hamburg root parsley indoors.

Last Frost Date

On average the last frost is on April 15 in Hawthorne. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Hawthorne is not always accurate the actual date of last frost will vary from year to year. Half of the time in Hawthorne you get a frost after April 15 so make sure that you are prepared to protect your hamburg root parsley in the event of a late frost.

USDA Zone Info for Hawthorne

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 Hawthorne

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