Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Ada you can determine when to plant lemon balm 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 do well in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant lemon balm in Ada 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 fully mature. 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 Ada. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Ada is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Ada there is a last frost after April 15 be ready to protect your lemon balm if you have a surprise late frost.

USDA Zone Info for Ada

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Ada

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