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

In Pleasant Hill you can figure out when it's a good idea to plant tarragon by looking at the USDA zone info.

Planting Calendar for Tarragon

Frost tolerance for tarragon:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Tarragon do ok in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant tarragon in Pleasant Hill is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant tarragon and expect a good harvest is probably September. If you wait any later than that and your tarragon may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your tarragon indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Pleasant Hill. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Pleasant Hill is not always accurate and the actual date of last frost changes from year to year. Half of the time in Pleasant Hill you get a frost after February 15 so just be sure to be ready to protect your tarragon if you have a surprise late frost.

USDA Zone Info for Pleasant Hill

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 Pleasant Hill

You may be interested in your other planting guides for Pleasant Hill.