Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's possible to plant fanflower is to check out the USDA zone info for Winterset.

Planting Calendar for Fanflower

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

Fanflower do not do well in cold weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant fanflower in Winterset is April. However, you really should wait until May 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. If you wait any later than that and your fanflower may not have a chance to fully mature. You can get started a few weeks earlier by starting your fanflower indoors.

Last Frost Date

The average date of last frost is April 15 in Winterset. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Winterset is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Winterset you get surprised by a frost after April 15 so make sure that you are ready to protect your fanflower in the event of a surprise late frost.

USDA Zone Info for Winterset

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 Winterset

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