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 Santa Ana it's possible to estimate when you can 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 can survive in quite a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant thyme in Santa Ana 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. You probably don't want to wait any later than that or else your thyme may not have a chance to fully mature. You can get started a few weeks earlier by starting your thyme indoors.

Last Frost Date

In Santa Ana the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Just be sure to remember that USDA zone info for Santa Ana is not always accurate and the actual date of last frost changes from year to year. Half of the time in Santa Ana it frosts late in the year after January 31 so make sure that you are prepared to protect your thyme if you have a late frost.

USDA Zone Info for Santa Ana

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Santa Ana

You may be interested in your other planting guides for Santa Ana.