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.

It's possible to estimate when to plant sutera by looking at the USDA zone info for Sioux Falls.

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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant sutera in Sioux Falls is April. However, you really should wait until May 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. Any later than that and your sutera may not have a chance to grow to maturity. Starting your sutera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Sioux Falls. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Sioux Falls and it will vary from year to year. Since half of the time in Sioux Falls you get a frost after May 15 be ready to protect your sutera if you have a surprise late frost.

USDA Zone Info for Sioux Falls

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sioux Falls

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