Before planting it is a good idea to find your USDA Zone info to estimate 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 San Pablo you can figure out when it's possible to plant bee balm by checking out the USDA zone info.

Planting Calendar for Bee Balm

Frost tolerance for bee balm:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Bee 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 more sensitive plants.

The earliest that you can plant bee balm in San Pablo 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 bee balm and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bee balm may not have a chance to really do well. If you are starting your bee balm indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In San Pablo the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Remember that USDA zone info for San Pablo is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Pablo you get a frost after January 31 be ready to cover your bee balm if you have a surprise late frost.

USDA Zone Info for San Pablo

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Pablo

You may be interested in your other planting guides for San Pablo.