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

The first opportunity to plant dusty miller in Willowbrook should be determined by reviewing 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 are very cold tolerant which means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant dusty miller in Willowbrook 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 fully mature. You can get started a few weeks earlier by starting your dusty miller indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Willowbrook is an average and the actual date of last frost is different every year. Since half of the time in Willowbrook last frost occurs after April 15 be ready to cover your dusty miller in the event of one of those late frosts.

USDA Zone Info for Willowbrook

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 Willowbrook

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