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

In Erie you can estimate when you can plant lemon balm by referring to 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.

You can plant lemon balm a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant lemon balm in Erie 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. You can get started a couple of weeks earlier by starting your lemon balm indoors.

Last Frost Date

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

Since the USDA zone info for Erie is just an average the actual date of last frost is different every year. Since half of the time in Erie it frosts late in the year after April 15 be ready to protect your lemon balm if you have a surprise late frost.

USDA Zone Info for Erie

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 Erie

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