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 first chance to plant dusty miller in Barstow should be figured out by looking at 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 cold weather which means that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant dusty miller in Barstow 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 grow to maturity. 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 when the weather gets warmer is on February 15 in Barstow. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Barstow is not always accurate the actual date of last frost changes from year to year. Since half of the time in Barstow it frosts late in the year after February 15 be ready to protect your dusty miller in the event of a late frost.

USDA Zone Info for Barstow

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 Barstow

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