When to Plant Gayfeather in Charles City, IA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's the best time to plant gayfeather is to check out the USDA zone info for Charles City.


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 much 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 Charles City 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. 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

In Charles City the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Charles City is just an average the actual date of last frost will vary from year to year. Half of the time in Charles City you get a frost after April 15 so make sure that you are prepared to protect your gayfeather in the event of one of those late frosts.

USDA Zone Info for Charles City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Charles City

You may be interested in your other planting guides for Charles City.