When to Plant Bee Balm in Norristown, PA

One of the best tools that you have as gardeners to help us figure out 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.

In Norristown you can determine when you can plant bee balm by looking at 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 tend to make it in very little cold which means that you can plant them slightly earlier in the year than other plants that might not handle 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 Norristown 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 few weeks earlier by starting your bee balm indoors.

Last Frost Date

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

Since the USDA zone info for Norristown is an average the actual date of last frost is different every year. Half of the time in Norristown last frost occurs after April 15 so make sure that you are prepared to protect your bee balm in the event of a surprise late frost.

USDA Zone Info for Norristown

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 Low0°F
Highest Expected Low5°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 Norristown

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