One of the first steps you take when you are estimating 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.

A way of determining when to plant digitalis is to check out the USDA zone info for Davis.

Planting Calendar for Digitalis

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

Since digitalis are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant digitalis in Davis 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. If you wait any later than that and your digitalis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your digitalis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Davis. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Davis is not always accurate the actual date of last frost will vary from year to year. Half of the time in Davis you get surprised by a frost after February 15 so be sure to be ready to protect your digitalis if you have one of those late frosts.

USDA Zone Info for Davis

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 Davis

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