The USDA Zone info is a great tool for gardeners to help us figure out 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 Wilmette should be reffered to in order 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 ok in moderate cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant galium in Wilmette 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. If you wait any later than that and your galium may not have a chance to really do well. Starting your galium indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Wilmette. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Wilmette may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Wilmette it frosts late in the year after April 15 so make sure that you are prepared to cover your galium in the event of a surprise late frost.

USDA Zone Info for Wilmette

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 Wilmette

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