The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Zion you can figure out when it's possible to plant bee balm by looking at 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.

Bee Balm tend to make it in very little cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant bee balm in Zion 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. Any later than that and your bee balm may not have a chance to fully mature. You can get started a few weeks earlier by starting your bee balm indoors.

Last Frost Date

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

Since the USDA zone info for Zion is not always accurate the actual date of last frost is different every year. Half of the time in Zion there is a last frost after April 15 so make sure that you are prepared to protect your bee balm if you have a surprise late frost.

USDA Zone Info for Zion

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 Zion

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