One of the first steps you take when you are getting a good idea 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.

You can determine when you can plant fanflower in Zimmerman by looking at the USDA zone info.

Planting Calendar for Fanflower

Frost tolerance for fanflower:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably not a good idea to plant fanflower until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant fanflower in Zimmerman is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant fanflower and expect a good harvest is probably August. Any later than that and your fanflower may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your fanflower indoors.

Last Frost Date

The average date of last frost is May 15 in Zimmerman. You should expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zimmerman 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 Zimmerman you get a frost after May 15 so be sure to be ready to cover your fanflower in the event of a late frost.

USDA Zone Info for Zimmerman

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zimmerman

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