When to Plant Tarragon in Mendota, IL

One of the best tools that you have as gardeners to help us figure out 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.

You will be able to estimate when it's possible to plant tarragon by reviewing the USDA zone info for Mendota.


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 slightly earlier in the year because they are barely cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tarragon
Possibly ok, but a risky time to plant tarragon
Probably not a good time to plant tarragon

The earliest that you can plant tarragon in Mendota 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 really do well. Starting your tarragon indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Mendota 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.

Keep in mind that USDA zone info for Mendota may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Mendota you get a frost after April 15 so make sure that you are ready to cover your tarragon in the event of a surprise late frost.

USDA Zone Info for Mendota

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 Mendota

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