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 Marengo you can estimate when it's a good idea to plant winter savory by referring to the USDA zone info.

Planting Calendar for Winter Savory

Frost tolerance for winter savory:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant winter savory just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant winter savory in Marengo 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 winter savory and expect a good harvest is probably September. Any later than that and your winter savory may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your winter savory indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Marengo. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Marengo is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Marengo you get surprised by a frost after April 15 be ready to protect your winter savory in the event of one of those late frosts.

USDA Zone Info for Marengo

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 Marengo

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