One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's a good idea to plant thyme by checking out the USDA zone info for Fountain Valley.

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 one of those plants that can tolerate quite a bit of cold weather you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant thyme in Fountain Valley 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. Any later than that and your thyme may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your thyme indoors.

Last Frost Date

The average date of last frost is January 31 in Fountain Valley. It might get as low as 35°F during the coldest months of winter.

It's important to remember that USDA zone info for Fountain Valley is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Fountain Valley you get a frost after January 31 so make sure that you are ready to cover your thyme in the event of one of those late frosts.

USDA Zone Info for Fountain Valley

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Fountain Valley

You may be interested in your other planting guides for Fountain Valley.