One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for South Sioux City can be used to estimate when you can plant sutera.

Planting Calendar for Sutera

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

Sutera do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant sutera in South Sioux City 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 sutera and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sutera may not have a chance to fully mature. Starting your sutera indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for South Sioux City is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in South Sioux City it frosts late in the year after April 15 be ready to cover your sutera if you have one of those late frosts.

USDA Zone Info for South 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 South Sioux City

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