When to Plant Bee Balm in Charleston, IL

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Charleston can be reviewed to estimate when it's possible to plant bee balm.

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Planting Calendar for Bee Balm

Frost tolerance for bee balm: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Bee Balm do well in mild cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant bee balm in Charleston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bee balm and expect a good harvest is probably August. If you wait any later than that and your bee balm may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bee balm indoors.

Last Frost Date

The average date of last frost is April 15 in Charleston. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Charleston may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Charleston last frost occurs after April 15 be ready to protect your bee balm if you have a surprise late frost.

USDA Zone Info for Charleston

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 Charleston

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