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 Carlsbad you can estimate when you can plant bee balm by using 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 barely cold tolerant which means that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant bee balm in Carlsbad 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. Any later than that and your bee balm may not have a chance to grow to maturity. If you are starting your bee balm indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Carlsbad. It might get as low as 30°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Carlsbad and it changes from year to year. Half of the time in Carlsbad there is a last 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 Carlsbad

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 Carlsbad

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