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

The best time to plant bee balm in Exeter should be estimated 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 do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant bee balm in Exeter is February. However, you really should wait until March 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 September. You probably don't want to wait any later than that or else your bee balm may not have a chance to really do well. 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 February 15 in Exeter. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Exeter is not always accurate the actual date of last frost is different every year. Since half of the time in Exeter you get surprised by a frost after February 15 be ready to cover your bee balm in the event of a late frost.

USDA Zone Info for Exeter

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Exeter

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