One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant lemon balm in Zone 11b should be estimated 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.

Lemon balm are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant lemon balm in Zone 11b is January. However, you really should wait until February 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 November. You probably don't want to wait any later than that or else your lemon balm may not have a chance to fully mature. Starting your lemon balm indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 11b it never frosts. You should expect an average low temperature of 45°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 11b is an average and the actual date of last frost is different every year. Since it never frosts in Zone 11b you do not have to be ready to cover your lemon balm in the event of one of those late frosts.

USDA Zone Info for Zone 11b

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Zone 11b

You may be interested in your other planting guides for Zone 11b.