One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when you can plant iberis by looking at the USDA zone info for Oakland.

Planting Calendar for Iberis

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

Iberis do ok in some cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant iberis in Oakland 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. Any later than that and your iberis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your iberis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Oakland. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that USDA zone info for Oakland is an average and the actual date of last frost is different every year. Half of the time in Oakland you get surprised by a frost after January 31 so always be ready to cover your iberis in the event of a late frost.

USDA Zone Info for Oakland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Oakland

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