When to Plant Monarda in Slatington, PA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's a good idea to plant monarda by checking out the USDA zone info for Slatington.


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 do ok in moderate cold which means that you can plant them slightly earlier than other plants that might not handle the cold.

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 Slatington 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 fully mature. If you are starting your monarda indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Slatington the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Slatington is not always accurate the actual date of last frost will vary from year to year. Half of the time in Slatington it frosts late in the year after April 15 so make sure that you are prepared to protect your monarda if you have one of those late frosts.

USDA Zone Info for Slatington

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 Low0°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 Slatington

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