The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when you can plant monarda by looking at the USDA zone info for Glendale.

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 tend to make it in some cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant monarda in Glendale 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 fully mature. You can get started a little bit earlier by starting your monarda indoors.

Last Frost Date

The average date of last frost is January 31 in Glendale. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Glendale is an average the actual date of last frost is different every year. Since half of the time in Glendale you get surprised by a frost after January 31 be ready to protect your monarda if you have a surprise late frost.

USDA Zone Info for Glendale

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 Glendale

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