The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 Bourbonnais should be looked at to estimate 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 tells us that you can start planting them earlier than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is April 15 in Bourbonnais. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Bourbonnais is an average the actual date of last frost is different every year. Half of the time in Bourbonnais there is a last frost after April 15 so just be sure to be ready to protect your galium if you have a late frost.

USDA Zone Info for Bourbonnais

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 Bourbonnais

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