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.

A way of determining when it's a good idea to plant tarragon is to refer to the USDA zone info for South Boston.

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 tend to make it in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant tarragon and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tarragon may not have a chance to really do well. Starting your tarragon indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in South Boston. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for South Boston is not always accurate the actual date of last frost will vary from year to year. Half of the time in South Boston you get surprised by a frost after April 15 so be sure to be ready to cover your tarragon in the event of a surprise late frost.

USDA Zone Info for South Boston

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in South Boston

You may be interested in your other planting guides for South Boston.