One of the best tools that you have as gardeners to help us figure out 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.

One way of getting a good idea when it's possible to plant coleus is to examine the USDA zone info for Riverbank.

Planting Calendar for Coleus

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

Since coleus are not cold tolerant it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant coleus in Riverbank is March. However, you really should wait until April 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 fully mature. You can get started a few weeks earlier by starting your coleus indoors.

Last Frost Date

In Riverbank the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Riverbank is not always accurate and the actual date of last frost changes from year to year. Half of the time in Riverbank last frost occurs after February 15 so be sure to be ready to protect your coleus if you have one of those late frosts.

USDA Zone Info for Riverbank

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Riverbank

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