Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 Wausau can be reffered to in order to determine when you can plant balsam.

Planting Calendar for Balsam

Frost tolerance for balsam:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant balsam until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant balsam in Wausau is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant balsam and expect a good harvest is probably August. If you wait any later than that and your balsam may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your balsam indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Wausau. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Wausau is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Wausau last frost occurs after May 15 be ready to protect your balsam if you have a late frost.

USDA Zone Info for Wausau

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Wausau

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