Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's possible to plant winter savory by referring to the USDA zone info for Sioux City.

Planting Calendar for Winter Savory

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

Since winter savory are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant winter savory in Sioux City 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. If you wait any later than that and your winter savory may not have a chance to grow to maturity. Starting your winter savory indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Sioux City the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Sioux City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Sioux City there is a last frost after April 15 so be sure to be ready to cover your winter savory in the event of one of those late frosts.

USDA Zone Info for Sioux City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Sioux City

You may be interested in your other planting guides for Sioux City.