When to Plant Gayfeather in University Park, IL

Before planting it is a good idea to find your USDA Zone info to estimate 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.

The USDA zone info for University Park can be used to determine when you can plant gayfeather.


Planting Calendar for Gayfeather

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

You can plant gayfeather quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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 University Park 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. If you wait any later than that and your gayfeather may not have a chance to grow to maturity. You can get started a little bit earlier by starting your gayfeather indoors.

Last Frost Date

On average the last frost is on April 15 in University Park. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for University Park is an average the actual date of last frost will vary from year to year. Half of the time in University Park you get surprised by a frost after April 15 so make sure that you are ready to protect your gayfeather in the event of a late frost.

USDA Zone Info for University Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in University Park

You may be interested in your other planting guides for University Park.