The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Alamo can be reffered to in order to figure out when it's a good idea to plant dusty miller.

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 do well in a bit of cold which means that you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant dusty miller in Alamo 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 really do well. If you are starting your dusty miller indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Alamo. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Alamo may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Alamo you get surprised by a frost after February 15 be ready to cover your dusty miller in the event of a surprise late frost.

USDA Zone Info for Alamo

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 Alamo

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