When to Plant Bee Balm in Monroeville, PA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Monroeville it's a good idea to determine when it's possible to plant bee balm.


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 plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bee balm
Possibly ok, but a risky time to plant bee balm
Probably not a good time to plant bee balm

The earliest that you can plant bee balm in Monroeville 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. If you are starting your bee balm indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Monroeville. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Monroeville may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Monroeville last frost occurs after April 15 so make sure that you are ready to protect your bee balm if you have one of those late frosts.

USDA Zone Info for Monroeville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Monroeville

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