When to Plant Gayfeather in Blue Island, IL

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when you can plant gayfeather is to consult the USDA zone info for Blue Island.

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Planting Calendar for Gayfeather

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

Gayfeather can survive in a bit of cold which tells us that 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 Blue Island 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 grow to maturity. If you are starting your gayfeather indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Blue Island. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Blue Island may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Blue Island last frost occurs after April 15 so be sure to be ready to cover your gayfeather if you have a late frost.

USDA Zone Info for Blue Island

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 Blue Island

You may be interested in your other planting guides for Blue Island.