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

In Fond Du Lac you can estimate when it's possible to plant iberis by referring to 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.

Iberis are moderately cold tolerant which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant iberis in Fond Du Lac 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 grow to maturity. You can get started a little bit earlier by starting your iberis indoors.

Last Frost Date

In Fond Du Lac the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Fond Du Lac is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Fond Du Lac you get surprised by a frost after April 15 so make sure that you are ready to protect your iberis in the event of a surprise late frost.

USDA Zone Info for Fond Du Lac

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 Fond Du Lac

You may be interested in your other planting guides for Fond Du Lac.