One of the best tools that you have as gardeners to help us figure out 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.

You can estimate when you can plant hamburg root parsley in Lewistown by reviewing 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.

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 Lewistown is March. However, you really should wait until April 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 August. Any later than that and your hamburg root parsley may not have a chance to really do well. If you are starting your hamburg root parsley indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Lewistown. You should expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Lewistown is an average and the actual date of last frost changes from year to year. Since half of the time in Lewistown there is a last frost after May 15 be ready to cover your hamburg root parsley in the event of one of those late frosts.

USDA Zone Info for Lewistown

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Lewistown

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