The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when you can plant balsam by referring to the USDA zone info for Wilmette.

Planting Calendar for Balsam

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

Since balsam are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant balsam in Wilmette 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. 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 April 15 in Wilmette. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Wilmette may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Wilmette you get a frost after April 15 be ready to protect your balsam if you have a late frost.

USDA Zone Info for Wilmette

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 Wilmette

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