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.

The earliest that you can plant tarragon in Hawthorne should be determined by referring to 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 means that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant tarragon in Hawthorne 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. Any later than that and your tarragon may not have a chance to really do well. If you are starting your tarragon indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Hawthorne the average date of last frost happens on January 31. You can expect an average low temperature of 35°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Hawthorne and it changes from year to year. Half of the time in Hawthorne last frost occurs after January 31 so just be sure to be ready to cover your tarragon if you have a surprise late frost.

USDA Zone Info for Hawthorne

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 Hawthorne

You may be interested in your other planting guides for Hawthorne.