One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant lemon balm in West Mifflin by using the USDA zone info.

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.

Lemon balm are one of those plants that can tolerate a tiny bit of cold weather which means that you can plant them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant lemon balm in West Mifflin 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. Starting your lemon balm indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in West Mifflin. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for West Mifflin is an average and the actual date of last frost changes from year to year. Since half of the time in West Mifflin it frosts late in the year after April 15 be ready to cover your lemon balm if you have one of those late frosts.

USDA Zone Info for West Mifflin

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 Low	0°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 West Mifflin

You may be interested in your other planting guides for West Mifflin.