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.

The earliest that you can plant dusty miller in Sunnyvale should be figured out by referring to the USDA zone info.

Planting Calendar for Dusty Miller

Frost tolerance for dusty miller:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Dusty Miller can survive in a bit of cold which means that you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant dusty miller in Sunnyvale 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 dusty miller and expect a good harvest is probably October. You probably don't want to wait any later than that or else your dusty miller may not have a chance to fully mature. Starting your dusty miller indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Sunnyvale. 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 Sunnyvale is just an average and the actual date of last frost is different every year. Since half of the time in Sunnyvale there is a last frost after February 15 be ready to cover your dusty miller in the event of a late frost.

USDA Zone Info for Sunnyvale

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 Sunnyvale

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