The USDA Zone info is a great tool for gardeners to help us figure out 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 Milton you can determine when it's a good idea to plant bee balm by checking out 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 frost tender plants.

The earliest that you can plant bee balm in Milton 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. If you wait any later than that and your bee balm may not have a chance to grow to maturity. Starting your bee balm indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Milton. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Milton may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Milton last frost occurs after March 15 so always be ready to cover your bee balm if you have a late frost.

USDA Zone Info for Milton

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Milton

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