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

The USDA zone info for Morrow can be read to determine when you can plant lemon balm.

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 barely cold tolerant which tells us that you can start planting them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant lemon balm in Morrow 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 March 15 in Morrow. You should expect an average low temperature of 10°F in the coldest months of winter.

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

USDA Zone Info for Morrow

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Morrow

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