When to Plant Lemon balm in Frankfort, IL

The USDA Zone info is a great tool for gardeners to help us estimate 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.

A way of getting a good idea when it's possible to plant lemon balm is to refer to the USDA zone info for Frankfort.


Planting Calendar for Lemon balm

Frost tolerance for lemon balm: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

You can plant lemon balm a bit earlier in the year because they are barely cold tolerant.

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

The earliest that you can plant lemon balm in Frankfort 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 lemon balm and expect a good harvest is probably August. Any later than that and your lemon balm may not have a chance to fully mature. Starting your lemon balm indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Frankfort. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Frankfort is not always accurate and the actual date of last frost is different every year. Since half of the time in Frankfort it frosts late in the year after April 15 be ready to protect your lemon balm in the event of a late frost.

USDA Zone Info for Frankfort

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Frankfort

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