The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's the best time to plant lemon balm is to check out the USDA zone info for Glenpool.

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 Glenpool 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. You probably don't want to wait any later than that or else your lemon balm may not have a chance to really do well. Starting your lemon balm indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Glenpool. In the coldest months of winter you can expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Glenpool is just an average and the actual date of last frost will vary from year to year. Since half of the time in Glenpool there is a last frost after April 15 be ready to cover your lemon balm in the event of one of those late frosts.

USDA Zone Info for Glenpool

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 Low	0°F
Highest Expected Low	5°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 Glenpool

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