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.

A common way of estimating when you can plant digitalis is to use the USDA zone info for Harker Heights.

Planting Calendar for Digitalis

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

Digitalis tend to make it in a little bit of cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant digitalis in Harker Heights 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. Any later than that and your digitalis may not have a chance to fully mature. You can get started a little bit earlier by starting your digitalis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Harker Heights. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Harker Heights is an average the actual date of last frost changes from year to year. Since half of the time in Harker Heights you get surprised by a frost after March 15 be ready to cover your digitalis if you have one of those late frosts.

USDA Zone Info for Harker Heights

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Harker Heights

You may be interested in your other planting guides for Harker Heights.