The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Posen you can estimate when to plant savoy cabbage by checking out the USDA zone info.

Planting Calendar for Savoy cabbage

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

Since savoy cabbage do well in cold you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant savoy cabbage 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 savoy cabbage and expect a good harvest is probably September. You probably don't want to wait any later than that or else your savoy cabbage may not have a chance to grow to maturity. If you are starting your savoy cabbage indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Posen the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Posen is just an average and the actual date of last frost will vary from year to year. Half of the time in Posen you get surprised by a frost after April 15 so just be sure to be ready to protect your savoy cabbage in the event of 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.