One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant fanflower in Posen can be estimated by referring to the USDA zone info.

Planting Calendar for Fanflower

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

Since fanflower do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant fanflower in Posen 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. You probably don't want to wait any later than that or else your fanflower may not have a chance to really do well. Starting your fanflower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Posen. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Posen may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Posen it frosts late in the year after April 15 so make sure that you are prepared to cover your fanflower if you have one of those late frosts.

USDA Zone Info for Posen

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Posen

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