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.

The first chance to plant dusty miller in Tomball can be figured out by looking at 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.

You can plant dusty miller earlier in the year because they do well in cold.

The earliest that you can plant dusty miller in Tomball is January. However, you really should wait until February 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 October. If you wait any later than that and your dusty miller may not have a chance to grow to maturity. 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 February 15 in Tomball. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Tomball is just an average and the actual date of last frost will vary from year to year. Half of the time in Tomball you get a frost after February 15 so be sure to be ready to cover your dusty miller in the event of one of those late frosts.

USDA Zone Info for Tomball

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Tomball

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