One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sylvania you can determine when to plant thyme by referring to 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 are very cold tolerant which tells us that you can plant them much earlier than other frost tender plants.

The earliest that you can plant thyme in Sylvania 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 fully mature. If you are starting your thyme indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Sylvania the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Sylvania is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sylvania you get surprised by a frost after April 15 so make sure that you are ready to protect your thyme if you have a surprise late frost.

USDA Zone Info for Sylvania

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 Sylvania

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