The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Laurel it's a good idea to figure out when it's a good idea to plant dusty miller.

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 earlier in the year than other frost tender plants.

The earliest that you can plant dusty miller in Laurel 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. You probably don't want to wait any later than that or else your dusty miller may not have a chance to fully mature. Starting your dusty miller indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Laurel is just an average and the actual date of last frost is different every year. Since half of the time in Laurel it frosts late in the year after May 15 be ready to protect your dusty miller if you have one of those late frosts.

USDA Zone Info for Laurel

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 Laurel

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