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.

You will be able to estimate when to plant balsam by checking out the USDA zone info for Edwardsville.

Planting Calendar for Balsam

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

You really shouldn't plant balsam until after the last frost because they are not cold tolerant.

The earliest that you can plant balsam in Edwardsville 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. If you wait any later than that and your balsam may not have a chance to grow to maturity. You can get started a little bit earlier by starting your balsam indoors.

Last Frost Date

In Edwardsville the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Edwardsville and it changes from year to year. Half of the time in Edwardsville there is a last frost after April 15 so make sure that you are prepared to cover your balsam in the event of a surprise late frost.

USDA Zone Info for Edwardsville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Edwardsville

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