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

In Colona you can determine when it's the best time to plant bee balm by reviewing the USDA zone info.

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.

Since bee balm are barely cold tolerant you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bee balm in Colona 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. You probably don't want to wait any later than that or else your bee balm may not have a chance to fully mature. Starting your bee balm indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Colona. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Colona is an average the actual date of last frost is different every year. Half of the time in Colona you get surprised by a frost after April 15 so just be sure to be ready to cover your bee balm in the event of one of those late frosts.

USDA Zone Info for Colona

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 Colona

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