Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Arlington Heights you can determine when it's the best time to plant parsley by reviewing the USDA zone info.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsley are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant parsley in Arlington Heights 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 parsley and expect a good harvest is probably September. If you wait any later than that and your parsley may not have a chance to fully mature. You can get started a little bit earlier by starting your parsley indoors.

Last Frost Date

The average date of last frost is April 15 in Arlington Heights. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Arlington Heights and it will vary from year to year. Since half of the time in Arlington Heights there is a last frost after April 15 be ready to protect your parsley in the event of one of those late frosts.

USDA Zone Info for Arlington Heights

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 Arlington Heights

You may be interested in your other planting guides for Arlington Heights.