One of the best tools that you have as gardeners to help us estimate 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 first chance to plant bee balm in Darien should be figured out by using 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 are barely cold tolerant which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant bee balm in Darien 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 really do well. You can get started a little bit earlier by starting your bee balm indoors.

Last Frost Date

On average the last frost is on April 15 in Darien. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Darien is just an average the actual date of last frost will vary from year to year. Half of the time in Darien you get a frost after April 15 so just be sure to be ready to cover your bee balm in the event of a late frost.

USDA Zone Info for Darien

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 Darien

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