One of the first steps you take when you are figuring out your gardening schedule is find your 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.

It's possible to figure out when it's possible to plant hamburg root parsley by checking out the USDA zone info for Blue Island.

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 bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant hamburg root parsley in Blue Island 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 really do well. You can get started a few weeks earlier by starting your hamburg root parsley indoors.

Last Frost Date

On average the last frost is on April 15 in Blue Island. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Blue Island is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Blue Island last frost occurs after April 15 be ready to cover your hamburg root parsley if you have a late frost.

USDA Zone Info for Blue Island

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Blue Island

You may be interested in your other planting guides for Blue Island.