When to Plant Spearmint in La Grange Park, 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.

The first opportunity to plant spearmint in La Grange Park should be figured out by using the USDA zone info.


Planting Calendar for Spearmint

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

Spearmint are very cold tolerant which tells us that you can start planting them much earlier 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 La Grange Park 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. If you wait any later than that and your spearmint may not have a chance to grow to maturity. Starting your spearmint indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in La Grange Park. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for La Grange Park may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in La Grange Park there is a last frost after April 15 so always be ready to cover your spearmint if you have one of those late frosts.

USDA Zone Info for La Grange Park

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 La Grange Park

You may be interested in your other planting guides for La Grange Park.