One of the best tools that you have as gardeners to help us estimate 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.

In Posen you can figure out when it's the best time to plant summer savory by referring to the USDA zone info.

Planting Calendar for Summer Savory

Frost tolerance for summer savory:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Summer Savory are one of those plants that can tolerate a tiny bit of cold weather which means that you can plant them slightly earlier than other plants that might not handle the cold.

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

The last month that you can plant summer savory and expect a good harvest is probably August. If you wait any later than that and your summer savory may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your summer savory indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Posen. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Posen is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Posen you get a frost after April 15 be ready to cover your summer savory 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.