When to Plant Spearmint in Lawrenceville, IL

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.

You will be able to estimate when you can plant spearmint by checking out the USDA zone info for Lawrenceville.


Planting Calendar for Spearmint

Frost tolerance for spearmint: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Spearmint do ok in pretty solid cold which means that you can plant them quite a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant spearmint in Lawrenceville 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 spearmint and expect a good harvest is probably September. You probably don't want to wait any later than that or else your spearmint may not have a chance to really do well. You can get started a few weeks earlier by starting your spearmint indoors.

Last Frost Date

On average the last frost is on April 15 in Lawrenceville. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Lawrenceville is not always accurate the actual date of last frost is different every year. Since half of the time in Lawrenceville you get surprised by a frost after April 15 be ready to cover your spearmint if you have a late frost.

USDA Zone Info for Lawrenceville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Lawrenceville

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