When to Plant Lemon balm in Coatesville, 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.

A way of getting a good idea when to plant lemon balm is to examine the USDA zone info for Coatesville.


Planting Calendar for Lemon balm

Frost tolerance for lemon balm: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since lemon balm are barely cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant lemon balm in Coatesville 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 lemon balm and expect a good harvest is probably August. Any later than that and your lemon balm may not have a chance to grow to maturity. If you are starting your lemon balm indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Coatesville. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Coatesville may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Coatesville there is a last frost after April 15 so make sure that you are ready to cover your lemon balm in the event of one of those late frosts.

USDA Zone Info for Coatesville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Coatesville

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