One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for Chicago Heights can be read to figure out when to plant galium.

Planting Calendar for Galium

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

You can plant galium a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant galium in Chicago 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 galium and expect a good harvest is probably September. Any later than that and your galium may not have a chance to really do well. If you are starting your galium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Chicago Heights is an average the actual date of last frost will vary from year to year. Since half of the time in Chicago Heights last frost occurs after April 15 be ready to protect your galium in the event of a surprise late frost.

USDA Zone Info for Chicago 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 Chicago Heights

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