When to Plant Balsam in Oswego, IL

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 referring to the USDA zone info for Oswego it's a good idea to figure out when to plant balsam.


Planting Calendar for Balsam

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

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant balsam
Possibly ok, but a risky time to plant balsam
Probably not a good time to plant balsam

The earliest that you can plant balsam in Oswego 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 really do well. If you are starting your balsam indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Oswego. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Oswego is not always accurate the actual date of last frost is different every year. Half of the time in Oswego there is a last frost after April 15 so be sure to be ready to cover your balsam if you have a late frost.

USDA Zone Info for Oswego

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 Oswego

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