The USDA Zone info is a great tool for gardeners to help us estimate 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.

You can figure out when to plant dusty miller in Orange by using 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 are very cold tolerant which tells us that you can plant them much earlier than more sensitive plants.

The earliest that you can plant dusty miller in Orange 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 few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Orange. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for Orange may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Orange you get surprised by a frost after February 15 be ready to protect your dusty miller if you have a surprise late frost.

USDA Zone Info for Orange

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Orange

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