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.

A common way of getting a good idea when it's a good idea to plant dusty miller is to consult the USDA zone info for Joplin.

Planting Calendar for Dusty Miller

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

Since dusty miller are one of those plants that can tolerate quite a bit of cold weather you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant dusty miller in Joplin 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 really do well. Starting your dusty miller indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Joplin. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Joplin is just an average the actual date of last frost is different every year. Half of the time in Joplin you get a frost after April 15 so just be sure to be ready to cover your dusty miller if you have a late frost.

USDA Zone Info for Joplin

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Joplin

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