When to Plant Balsam in Olney, IL

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

The USDA zone info for Olney should be used to determine when it's a good idea to plant balsam.

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Planting Calendar for Balsam

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

Since balsam are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

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 Olney 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 grow to maturity. You can get started a little bit earlier by starting your balsam indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Olney may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Olney you get surprised by a 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 Olney

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 Olney

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