Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Scottsdale it's a good idea to determine when it's possible to plant digitalis.

Planting Calendar for Digitalis

Frost tolerance for digitalis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Digitalis are moderately cold tolerant which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant digitalis in Scottsdale 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 digitalis and expect a good harvest is probably October. You probably don't want to wait any later than that or else your digitalis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your digitalis indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Scottsdale is not always accurate and the actual date of last frost changes from year to year. Half of the time in Scottsdale it frosts late in the year after February 15 so be sure to be ready to cover your digitalis if you have a surprise late frost.

USDA Zone Info for Scottsdale

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Scottsdale

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