One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Holbrook can be reffered to in order to estimate when it's possible 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.

Dusty Miller are one of those plants that can tolerate quite a bit of cold weather which means that you can plant them much earlier than other plants that might not handle the cold.

The earliest that you can plant dusty miller in Holbrook 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 fully mature. Starting your dusty miller indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Holbrook. It might get as low as 0°F during the coldest months of winter.

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

USDA Zone Info for Holbrook

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Holbrook

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