One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's a good idea to plant chard by checking out the USDA zone info for Sioux Center.

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Chard can survive in moderate cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant chard in Sioux Center is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

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

Since the USDA zone info for Sioux Center is just an average the actual date of last frost will vary from year to year. Half of the time in Sioux Center last frost occurs after April 15 so just be sure to be ready to cover your chard if you have one of those late frosts.

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.