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

One way of getting a good idea when to plant monarda is to consult the USDA zone info for Twentynine Palms.

Planting Calendar for Monarda

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

Monarda do ok in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant monarda in Twentynine Palms 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 monarda and expect a good harvest is probably September. Any later than that and your monarda may not have a chance to really do well. If you are starting your monarda indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Twentynine Palms. You can expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Twentynine Palms is just an average and the actual date of last frost will vary from year to year. Since half of the time in Twentynine Palms you get a frost after February 15 be ready to cover your monarda if you have a late frost.

USDA Zone Info for Twentynine Palms

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Twentynine Palms

You may be interested in your other planting guides for Twentynine Palms.