The USDA Zone info is a great tool for gardeners to help us estimate 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.

The USDA zone info for Estherville can be used to determine when to plant fanflower.

Planting Calendar for Fanflower

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

It's probably a bad idea to plant fanflower until after all chance of frost has passed because they require warm weather.

The earliest that you can plant fanflower in Estherville 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. Any later than that and your fanflower may not have a chance to grow to maturity. If you are starting your fanflower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Estherville. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Estherville is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Estherville you get a frost after April 15 so always be ready to protect your fanflower in the event of one of those late frosts.

USDA Zone Info for Estherville

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 Estherville

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