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.

In Del Mar you can determine when it's possible to plant tarragon by checking out 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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant tarragon in Del Mar 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 really do well. Starting your tarragon indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Del Mar. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Del Mar is not always accurate and the actual date of last frost is different every year. Half of the time in Del Mar you get surprised by a frost after January 31 so always be ready to protect your tarragon in the event of a surprise late frost.

USDA Zone Info for Del Mar

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 Del Mar

You may be interested in your other planting guides for Del Mar.