The USDA Zone info is a great tool for gardeners to help us determine 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.

You will be able to determine when it's possible to plant nemesia by looking at the USDA zone info for Sioux Falls.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost.

Nemesia require warm weather which tells us that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant nemesia in Sioux Falls is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant nemesia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nemesia may not have a chance to fully mature. You can get started a little bit earlier by starting your nemesia indoors.

Last Frost Date

On average the last frost is on May 15 in Sioux Falls. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Sioux Falls is an average the actual date of last frost changes from year to year. Since half of the time in Sioux Falls you get surprised by a frost after May 15 be ready to protect your nemesia if you have one of those late frosts.

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.