One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The earliest that you can plant dusty miller in Ashland should be estimated by checking out 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.

Since dusty miller do well in cold you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant dusty miller in Ashland is March. However, you really should wait until April 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 August. 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

The average date of last frost is May 15 in Ashland. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Ashland is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Ashland there is a last frost after May 15 be ready to cover your dusty miller if you have one of those late frosts.

USDA Zone Info for Ashland

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Ashland

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