Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant dusty miller in Monticello 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.

Since dusty miller are very cold tolerant you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant dusty miller in Monticello 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. If you wait any later than that and your dusty miller may not have a chance to really do well. You can get started a few weeks earlier by starting your dusty miller indoors.

Last Frost Date

On average the last frost is on May 15 in Monticello. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Monticello is an average the actual date of last frost changes from year to year. Since half of the time in Monticello you get surprised by a frost after May 15 be ready to cover your dusty miller if you have one of those late frosts.

USDA Zone Info for Monticello

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 Monticello

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