Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant tarragon in Howell by using 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 moderate cold which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant tarragon in Howell 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. You can get started a couple of weeks earlier by starting your tarragon indoors.

Last Frost Date

The average date of last frost is April 15 in Howell. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Howell is not always accurate and the actual date of last frost changes from year to year. Half of the time in Howell you get a frost after April 15 so just be sure to be ready to cover your tarragon if you have a late frost.

USDA Zone Info for Howell

Here is the info for USDA Zone 6a.

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

Plants to Grow in Howell

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