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.

You should be able to determine when it's the best time to plant summer savory by referring to the USDA zone info for Sioux Center.

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 barely cold tolerant which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant summer savory in Sioux Center 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 grow to maturity. You can get started a couple of weeks earlier by starting your summer savory indoors.

Last Frost Date

The average date of last frost is April 15 in Sioux Center. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Sioux Center is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Sioux Center last frost occurs after April 15 so always be ready to protect your summer savory if you have a surprise late frost.

USDA Zone Info for Sioux Center

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 Center

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