Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Slidell it's possible to estimate when it's possible to plant iberis.

Planting Calendar for Iberis

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

Iberis can survive in moderate cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant iberis in Slidell is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant iberis and expect a good harvest is probably October. If you wait any later than that and your iberis may not have a chance to grow to maturity. Starting your iberis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Slidell. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Slidell may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Slidell last frost occurs after February 15 so be sure to be ready to cover your iberis in the event of a late frost.

USDA Zone Info for Slidell

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Slidell

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