Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Forest Park it's possible to estimate when it's possible to plant balsam.

Planting Calendar for Balsam

Frost tolerance for balsam:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Balsam are not cold tolerant which means that it is necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant balsam in Forest Park is April. However, you really should wait until May 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. You probably don't want to wait any later than that or else your balsam may not have a chance to fully mature. You can get started a little bit earlier by starting your balsam indoors.

Last Frost Date

The average date of last frost is March 15 in Forest Park. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Forest Park is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Forest Park you get surprised by a frost after March 15 be ready to cover your balsam in the event of a late frost.

USDA Zone Info for Forest Park

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Forest Park

You may be interested in your other planting guides for Forest Park.