When can I plant Monarda in Zone 8b

One of the best tools that we have as gardeners to help us determine our 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 our area.

The USDA zone info for Zone 8b should be reffered to in order to determine when it's the best time to plant monarda.


Planting Calendar for Monarda

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

You can plant monarda slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant monarda
Possibly ok, but a risky time to plant monarda
Probably not a good time to plant monarda

The earliest that you can plant monarda in Zone 8b 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. Any later than that and your monarda may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your monarda indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Zone 8b. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 8b may not be accurate from year to year and our actual date of last frost changes from year to year. Half of the time in Zone 8b it frosts late in the year after March 15 so make sure that you are prepared to cover your monarda if we have a surprise late frost.

USDA Zone Info for Zone 8b

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Zone 8b

You may be interested in our other planting guides for Zone 8b.