One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's a good idea to plant hamburg root parsley is to refer to the USDA zone info for South Portland.

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.

You can plant hamburg root parsley a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant hamburg root parsley in South Portland 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. You probably don't want to wait any later than that or else your hamburg root parsley may not have a chance to fully mature. You can get started a few weeks earlier by starting your hamburg root parsley indoors.

Last Frost Date

The average date of last frost is April 15 in South Portland. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for South Portland is an average and the actual date of last frost is different every year. Since half of the time in South Portland you get surprised by a frost after April 15 be ready to cover your hamburg root parsley if you have a late frost.

USDA Zone Info for South Portland

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in South Portland

You may be interested in your other planting guides for South Portland.