The USDA Zone info is a great tool for gardeners to help us figure out 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 a good idea to determine when it's a good idea to plant bee balm by checking out the USDA zone info for Sheldon.

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 ok in moderate cold which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant bee balm in Sheldon 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 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 really do well. If you are starting your bee balm indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Sheldon. In the coldest months of winter you can expect an average low temperature of -25°F.

Remember that USDA zone info for Sheldon is an average and the actual date of last frost will vary from year to year. Since half of the time in Sheldon you get surprised by a frost after May 15 be ready to cover your bee balm in the event of a late frost.

USDA Zone Info for Sheldon

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sheldon

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