The USDA Zone info is a great tool for gardeners to help us determine 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 chance to plant thyme in Coal City can be figured out by using the USDA zone info.

Planting Calendar for Thyme

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

Thyme do well in cold which means that you can plant them a quite a bit earlier than other plants that might not handle the cold.

The earliest that you can plant thyme in Coal City 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 thyme and expect a good harvest is probably September. Any later than that and your thyme may not have a chance to really do well. You can get started a couple of weeks earlier by starting your thyme indoors.

Last Frost Date

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

Since the USDA zone info for Coal City is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Coal City last frost occurs after April 15 so be sure to be ready to protect your thyme in the event of a surprise late frost.

USDA Zone Info for Coal City

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 Coal City

You may be interested in your other planting guides for Coal City.