Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when to plant digitalis is to examine the USDA zone info for Sweetwater.

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 one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant digitalis in Sweetwater 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 digitalis and expect a good harvest is probably September. If you wait any later than that and your digitalis may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is April 15 in Sweetwater. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for Sweetwater is an average and the actual date of last frost changes from year to year. Half of the time in Sweetwater there is a last frost after April 15 so be sure to be ready to cover your digitalis if you have a surprise late frost.

USDA Zone Info for Sweetwater

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 Sweetwater

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