One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 determine when it's a good idea to plant ajuga by checking out the USDA zone info.

Planting Calendar for Ajuga

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

You can plant ajuga quite a bit earlier in the year because they do well in cold.

The earliest that you can plant ajuga 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 ajuga and expect a good harvest is probably September. Any later than that and your ajuga may not have a chance to fully mature. You can get started a little bit earlier by starting your ajuga indoors.

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.

Remember that USDA zone info for South Sioux City is 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 you get surprised by a frost after April 15 be ready to cover your ajuga in the event of 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.