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

In Oroville you can determine when it's a good idea to plant thyme by checking out 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 are very cold tolerant you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant thyme in Oroville is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant thyme and expect a good harvest is probably October. If you wait any later than that and your thyme may not have a chance to fully mature. You can get started a little bit earlier by starting your thyme indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Oroville. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Oroville may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Oroville there is a last frost after February 15 so make sure that you are prepared to protect your thyme if you have a surprise late frost.

USDA Zone Info for Oroville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Oroville

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