One of the first steps you take when you are estimating 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.

By reviewing the USDA zone info for Willowbrook it's a good idea to determine when you can plant galium.

Planting Calendar for Galium

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

Galium do well in moderate cold which means that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant galium in Willowbrook 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. You can get started a couple of weeks earlier by starting your galium indoors.

Last Frost Date

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

Since the USDA zone info for Willowbrook is an average the actual date of last frost changes from year to year. Since half of the time in Willowbrook last frost occurs after April 15 be ready to protect your galium if you have one of those late frosts.

USDA Zone Info for Willowbrook

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 Willowbrook

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