The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In San Rafael you can figure out when it's a good idea to plant bee balm by reviewing 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.

You can plant bee balm a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant bee balm in San Rafael 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 grow to maturity. You can get started a couple of weeks earlier by starting your bee balm indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in San Rafael. It might get as low as 30°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Rafael and it is different every year. Half of the time in San Rafael you get a frost after January 31 so make sure that you are prepared to cover your bee balm in the event of one of those late frosts.

USDA Zone Info for San Rafael

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 Rafael

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