One of the best tools that you have as gardeners to help us estimate 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 a good idea to estimate when to plant monarda by referring to the USDA zone info for Flat Rock.

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 one of those plants that can tolerate a tiny bit of cold weather which means that you can start planting them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant monarda in Flat Rock is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant monarda and expect a good harvest is probably August. 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 few weeks earlier by starting your monarda indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Flat Rock. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Flat Rock may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Flat Rock you get surprised by a frost after April 15 so make sure that you are ready to cover your monarda in the event of one of those late frosts.

USDA Zone Info for Flat Rock

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Flat Rock

You may be interested in your other planting guides for Flat Rock.