Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when you can plant pampas grass is to examine the USDA zone info for Sioux Falls.

Planting Calendar for Pampas Grass

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

You really shouldn't plant pampas grass until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant pampas grass 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 pampas grass and expect a good harvest is probably August. If you wait any later than that and your pampas grass may not have a chance to grow to maturity. Starting your pampas grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Sioux Falls. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Sioux Falls is an average and the actual date of last frost will vary from year to year. Half of the time in Sioux Falls it frosts late in the year after May 15 so always be ready to protect your pampas grass in the event of a 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.