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.

By looking at the USDA zone info for Owasso you will be able to figure out when it's the best time to plant thyme.

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 means that you can plant them a quite a bit earlier than other frost tender plants.

The earliest that you can plant thyme in Owasso 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. Starting your thyme indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Owasso. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Owasso is just an average the actual date of last frost is different every year. Since half of the time in Owasso it frosts late in the year after April 15 be ready to protect your thyme in the event of one of those late frosts.

USDA Zone Info for Owasso

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Owasso

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