Before planting it is a good idea to find your USDA Zone info to determine 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.

In Benton you can figure out when to plant iberis by reviewing 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 are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant iberis in Benton 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. If you wait any later than that and your iberis may not have a chance to fully mature. You can get started a little bit earlier by starting your iberis indoors.

Last Frost Date

In Benton the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Benton and it will vary from year to year. Half of the time in Benton last frost occurs after April 15 so just be sure to be ready to protect your iberis in the event of one of those late frosts.

USDA Zone Info for Benton

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Benton

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