Before planting it is a good idea to find your USDA Zone info to determine 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.

You will be able to determine when to plant lemon balm by reviewing the USDA zone info for Avondale.

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 tend to make it in very little cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant lemon balm in Avondale is February. However, you really should wait until March 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 September. Any later than that and 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 couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Avondale. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Avondale is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Avondale last frost occurs after February 15 be ready to cover your lemon balm in the event of a late frost.

USDA Zone Info for Avondale

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Avondale

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