When can I plant Gayfeather in Evanston, IL

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

In Evanston you can estimate when you can plant gayfeather by referring to the USDA zone info.


Planting Calendar for Gayfeather

Frost tolerance for gayfeather: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

Since gayfeather are very cold tolerant you can plant them quite a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant gayfeather in Evanston is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant gayfeather and expect a good harvest is probably September. You probably don't want to wait any later than that or else your gayfeather may not have a chance to fully mature. Starting your gayfeather indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Evanston the average date of last frost happens on April 15. In the coldest months of winter we should expect an average low temperature of -15°F.

Since the USDA zone info for Evanston is not always accurate our actual date of last frost changes from year to year. Since half of the time in Evanston we get surprised by a frost after April 15 be ready to cover your gayfeather if we have a late frost.

USDA Zone Info for Evanston

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 Evanston

You may be interested in our other planting guides for Evanston.