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.

By reviewing the USDA zone info for Zebulon it's possible to figure out when 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 are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant iberis in Zebulon 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. Any later than that and your iberis may not have a chance to fully mature. Starting your iberis indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Zebulon. In the coldest months of winter you can expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Zebulon is just an average and the actual date of last frost is different every year. Half of the time in Zebulon it frosts late in the year after April 15 so be sure to be ready to cover your iberis in the event of one of those late frosts.

USDA Zone Info for Zebulon

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Zebulon

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