One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Martinez you can estimate when it's possible to plant coleus by looking at the USDA zone info.

Planting Calendar for Coleus

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

Since coleus require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant coleus in Martinez 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. You probably don't want to wait any later than that or else your coleus may not have a chance to fully mature. Starting your coleus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Martinez 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.

Since the USDA zone info for Martinez is just an average the actual date of last frost will vary from year to year. Half of the time in Martinez there is a last frost after February 15 so be sure to be ready to cover your coleus in the event of one of those late frosts.

USDA Zone Info for Martinez

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 Martinez

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