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.

In Posen you can estimate when it's the best time to plant carnation by looking at the USDA zone info.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since carnation are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant carnation in Posen is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably September. You probably don't want to wait any later than that or else your carnation may not have a chance to grow to maturity. You can get started a little bit earlier by starting your carnation indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Posen is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Posen there is a last frost after April 15 be ready to cover your carnation if you have a late frost.

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.