The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Zone 8a you can estimate when 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.

You can plant tarragon a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant tarragon in Zone 8a 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. If you wait any later than that and your tarragon may not have a chance to fully mature. Starting your tarragon indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Zone 8a. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 8a may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 8a you get surprised by a frost after March 15 so always be ready to protect your tarragon in the event of one of those late frosts.

USDA Zone Info for Zone 8a

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Zone 8a

You may be interested in your other planting guides for Zone 8a.