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.

You will be able to figure out when to plant dusty miller by referring to the USDA zone info for West Richland.

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 means that you can get them planted much earlier than plants that are more sensitive to the cold.

The earliest that you can plant dusty miller in West Richland is February. However, you really should wait until March 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 September. Any later than that and your dusty miller may not have a chance to really do well. You can get started a couple of weeks earlier by starting your dusty miller indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in West Richland. You should expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for West Richland may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in West Richland last frost occurs after April 15 so make sure that you are ready to cover your dusty miller if you have a late frost.

USDA Zone Info for West Richland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in West Richland

You may be interested in your other planting guides for West Richland.