One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Oshkosh should be read to determine when it's possible to plant fanflower.

Planting Calendar for Fanflower

Frost tolerance for fanflower:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant fanflower until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant fanflower in Oshkosh 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

On average the last frost when the weather gets warmer is on April 15 in Oshkosh. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Oshkosh is just an average and the actual date of last frost changes from year to year. Since half of the time in Oshkosh you get a frost after April 15 be ready to cover your fanflower in the event of one of those late frosts.

USDA Zone Info for Oshkosh

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 Oshkosh

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