Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant hamburg root parsley in Northbrook can be estimated 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.

Since hamburg root parsley are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant hamburg root parsley in Northbrook 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 grow to maturity. You can get started a little bit earlier by starting your hamburg root parsley indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Northbrook. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Northbrook is an average and the actual date of last frost is different every year. Half of the time in Northbrook last frost occurs after April 15 so just be sure to be ready to protect your hamburg root parsley in the event of one of those late frosts.

USDA Zone Info for Northbrook

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 Northbrook

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