The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant coleus in Oakland can be figured out by referring to the USDA zone info.

Planting Calendar for Coleus

Frost tolerance for coleus:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant coleus until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant coleus in Oakland 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 coleus and expect a good harvest is probably September. Any later than that and your coleus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your coleus indoors.

Last Frost Date

The average date of last frost is January 31 in Oakland. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Oakland is an average 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 coleus 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.