Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant iberis in Sweetwater can be determined by using the USDA zone info.

Planting Calendar for Iberis

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

Since iberis do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant iberis in Sweetwater 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 iberis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your iberis may not have a chance to really do well. If you are starting your iberis indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Sweetwater. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Sweetwater is just an average and the actual date of last frost is different every year. Half of the time in Sweetwater you get surprised by a frost after April 15 so make sure that you are ready to cover your iberis in the event of a late frost.

USDA Zone Info for Sweetwater

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Sweetwater

You may be interested in your other planting guides for Sweetwater.