The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In South Sioux City you can estimate when you can plant potatos by referring to the USDA zone info.

Planting Calendar for Potatos

Frost tolerance for potatos:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Potatos do well in cold which means that you can plant them a quite a bit earlier than other frost tender plants.

The earliest that you can plant potatos in South Sioux City 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 potatos and expect a good harvest is probably September. If you wait any later than that and your potatos may not have a chance to really do well. Starting your potatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for South Sioux City is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in South Sioux City last frost occurs after April 15 be ready to cover your potatos if you have one of those late frosts.

USDA Zone Info for South Sioux City

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 South Sioux City

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