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

A way of determining when it's possible to plant gayfeather is to use the USDA zone info for Dodgeville.

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 a lot earlier in the year because they do well in cold.

The earliest that you can plant gayfeather in Dodgeville 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 fully mature. Starting your gayfeather indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Dodgeville the average date of last frost happens on April 15. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Dodgeville is not always accurate the actual date of last frost changes from year to year. Half of the time in Dodgeville last frost occurs after April 15 so be sure to be ready to protect your gayfeather in the event of one of those late frosts.

USDA Zone Info for Dodgeville

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 Dodgeville

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