One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when it's the best time to plant bee balm by reviewing the USDA zone info for Vallejo.

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 can survive in very little cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bee balm in Vallejo 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. You can get started a little bit earlier by starting your bee balm indoors.

Last Frost Date

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

Since the USDA zone info for Vallejo is not always accurate the actual date of last frost will vary from year to year. Half of the time in Vallejo it frosts late in the year after February 15 so make sure that you are prepared to protect your bee balm if you have one of those late frosts.

USDA Zone Info for Vallejo

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 Vallejo

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