The USDA Zone info is a great tool for gardeners to help us determine 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.

You should be able to determine when you can plant galium by using the USDA zone info for Mount Vernon.

Planting Calendar for Galium

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

Since galium are moderately cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant galium in Mount Vernon 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 few weeks earlier by starting your galium indoors.

Last Frost Date

In Mount Vernon 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 Mount Vernon is not always accurate the actual date of last frost changes from year to year. Half of the time in Mount Vernon you get a frost after April 15 so always be ready to protect your galium in the event of one of those late frosts.

USDA Zone Info for Mount Vernon

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 Mount Vernon

You may be interested in your other planting guides for Mount Vernon.