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

The best time to plant hamburg root parsley in Morris should be estimated by referring to 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.

Hamburg root parsley are moderately cold tolerant which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant hamburg root parsley in Morris 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 fully mature. You can get started a little bit earlier by starting your hamburg root parsley indoors.

Last Frost Date

In Morris the average date of last frost happens on May 15. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Morris is an average the actual date of last frost will vary from year to year. Since half of the time in Morris it frosts late in the year after May 15 be ready to protect your hamburg root parsley if you have a late frost.

USDA Zone Info for Morris

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 Morris

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