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

One way of determining when it's a good idea to plant iberis is to consult the USDA zone info for Dublin.

Planting Calendar for Iberis

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

You can plant iberis a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant iberis in Dublin 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. If you are starting your iberis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Dublin the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Dublin is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Dublin you get a frost after March 15 be ready to protect your iberis in the event of one of those late frosts.

USDA Zone Info for Dublin

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Dublin

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