One of the first steps you take when you are estimating your gardening schedule is find your 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.

You should be able to estimate when you can plant dusty miller by referring to the USDA zone info for Zionsville.

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 cold which tells us that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant dusty miller in Zionsville 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 little bit earlier by starting your dusty miller indoors.

Last Frost Date

The average date of last frost is April 15 in Zionsville. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Zionsville is not always accurate the actual date of last frost is different every year. Half of the time in Zionsville you get surprised by a frost after April 15 so be sure to be ready to protect your dusty miller in the event of a surprise late frost.

USDA Zone Info for Zionsville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Zionsville

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