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.

In Sioux Center you can figure out when it's the best time to plant gaillardia by looking at the USDA zone info.

Planting Calendar for Gaillardia

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

You can plant gaillardia a bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant gaillardia 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 gaillardia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gaillardia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your gaillardia 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.

Just be sure to remember 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 you get surprised by a frost after April 15 so always be ready to cover your gaillardia in the event of 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.