Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Greenbrier you can figure out when it's the best time to plant thyme by looking at 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.

Since thyme do well in cold you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant thyme in Greenbrier 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. If you wait any later than that and your thyme may not have a chance to really do well. Starting your thyme 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 Greenbrier. You should expect an average low temperature of 5°F in the coldest months of winter.

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

USDA Zone Info for Greenbrier

Here is the info for USDA Zone 7b.

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

Plants to Grow in Greenbrier

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