When can I plant Thyme in Zone 9b

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

The first opportunity to plant thyme in Zone 9b can be determined by looking at the USDA zone info.


Planting Calendar for Thyme

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

Thyme do well in cold which means that you can start planting them much earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant thyme
Possibly ok, but a risky time to plant thyme
Probably not a good time to plant thyme

The earliest that you can plant thyme in Zone 9b 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. If you are starting your thyme indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 9b the average date of last frost happens on February 15. In the coldest months of winter we should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Zone 9b is not always accurate and our actual date of last frost changes from year to year. Since half of the time in Zone 9b we get a frost after February 15 be ready to cover your thyme if we have one of those late frosts.

USDA Zone Info for Zone 9b

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 Low25°F
Highest Expected Low30°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 Zone 9b

You may be interested in our other planting guides for Zone 9b.