One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's the best time to plant thyme in San Rafael 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.

Thyme can survive in quite a bit of cold which means that you can plant them earlier in the year than other plants that might not handle the cold.

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

Last Frost Date

In San Rafael the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for San Rafael is just an average and the actual date of last frost changes from year to year. Since half of the time in San Rafael there is a last frost after January 31 be ready to protect your thyme in the event of a surprise late frost.

USDA Zone Info for San Rafael

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 San Rafael

You may be interested in your other planting guides for San Rafael.