One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rosenberg you can determine when it's the best time to plant dusty miller 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.

Since dusty miller are very cold tolerant you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant dusty miller in Rosenberg 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. Any later than that and your dusty miller may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your dusty miller indoors.

Last Frost Date

The average date of last frost is February 15 in Rosenberg. In the coldest months of winter you should expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Rosenberg is an average and the actual date of last frost changes from year to year. Half of the time in Rosenberg you get surprised by a frost after February 15 so make sure that you are prepared to cover your dusty miller in the event of a late frost.

USDA Zone Info for Rosenberg

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 Rosenberg

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