One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant dusty miller is to use the USDA zone info for Smithville.

Planting Calendar for Dusty Miller

Frost tolerance for dusty miller:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant dusty miller much earlier in the year because they are very cold tolerant.

The earliest that you can plant dusty miller in Smithville 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. If you wait any later than that and your dusty miller may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your dusty miller indoors.

Last Frost Date

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

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Smithville and it can change quite a bit from year to year. Half of the time in Smithville you get a frost after April 15 so make sure that you are ready to protect your dusty miller in the event of a late frost.

USDA Zone Info for Smithville

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 Smithville

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