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

It's a good idea to determine when to plant monarda by checking out the USDA zone info for Lake Havasu City.

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 are barely cold tolerant which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant monarda in Lake Havasu City 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. If you wait any later than that and your monarda may not have a chance to fully mature. Starting your monarda indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on January 31 in Lake Havasu City. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that USDA zone info for Lake Havasu City is an average and the actual date of last frost changes from year to year. Half of the time in Lake Havasu City you get surprised by a frost after January 31 so make sure that you are prepared to cover your monarda if you have a surprise late frost.

USDA Zone Info for Lake Havasu City

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 Lake Havasu City

You may be interested in your other planting guides for Lake Havasu City.