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

By referring to the USDA zone info for Winthrop Harbor it's possible to estimate when it's the best time to plant summer savory.

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.

You can plant summer savory slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant summer savory in Winthrop Harbor 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. Any later than that and your summer savory may not have a chance to really do well. You can get started a little bit earlier by starting your summer savory indoors.

Last Frost Date

In Winthrop Harbor the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Winthrop Harbor is an average and the actual date of last frost changes from year to year. Half of the time in Winthrop Harbor there is a last frost after April 15 so make sure that you are ready to cover your summer savory if you have one of those late frosts.

USDA Zone Info for Winthrop Harbor

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Winthrop Harbor

You may be interested in your other planting guides for Winthrop Harbor.