Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's possible to plant monarda in Mesa by looking at the USDA zone info.

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 can survive in mild cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant monarda in Mesa 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. You probably don't want to wait any later than that or else your monarda may not have a chance to really do well. You can get started a little bit earlier by starting your monarda indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Mesa. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Mesa 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 Mesa you get a frost after February 15 be ready to cover your monarda if you have one of those late frosts.

USDA Zone Info for Mesa

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 Mesa

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