One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Bellwood you should be able to figure out when you can plant tarragon.

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 start planting them slightly earlier than other frost tender plants.

The earliest that you can plant tarragon in Bellwood 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. 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

In Bellwood the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Bellwood may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Bellwood you get surprised by a frost after April 15 be ready to protect your tarragon in the event of a late frost.

USDA Zone Info for Bellwood

Here is the info for USDA Zone 5b.

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

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

Plants to Grow in Bellwood

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