One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Mound you can estimate when you can plant balsam by using the USDA zone info.

Planting Calendar for Balsam

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

Balsam are not cold tolerant which tells us that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant balsam in Mound 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 grow to maturity. If you are starting your balsam indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Mound. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Mound is just an average and the actual date of last frost changes from year to year. Since half of the time in Mound it frosts late in the year after May 15 be ready to cover your balsam in the event of one of those late frosts.

USDA Zone Info for Mound

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 Mound

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