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 Haddon Heights you can figure out when 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.

Bee Balm do ok in some cold which means that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bee balm in Haddon Heights 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. You probably don't want to wait any later than that or else 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

The average date of last frost is April 15 in Haddon Heights. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Haddon Heights is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Haddon Heights you get surprised by a frost after April 15 be ready to protect your bee balm in the event of a late frost.

USDA Zone Info for Haddon Heights

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Haddon Heights

You may be interested in your other planting guides for Haddon Heights.