Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Marysville you can determine when to plant lemon balm by reviewing 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 ok in mild cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant lemon balm in Marysville 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. 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. You can get started a few weeks earlier by starting your lemon balm indoors.

Last Frost Date

In Marysville the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Marysville is just an average the actual date of last frost is different every year. Since half of the time in Marysville you get a frost after February 15 be ready to protect your lemon balm if you have a late frost.

USDA Zone Info for Marysville

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 Marysville

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