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

In Merrillville you can estimate when you can plant hamburg root parsley by looking at 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 bit 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 Merrillville 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. Any later than that and your hamburg root parsley may not have a chance to fully mature. Starting your hamburg root parsley indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Merrillville the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Merrillville is just an average the actual date of last frost changes from year to year. Since half of the time in Merrillville last frost occurs after April 15 be ready to protect your hamburg root parsley in the event of one of those late frosts.

USDA Zone Info for Merrillville

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 Merrillville

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