The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant digitalis in Zone 8a should be determined by reviewing the USDA zone info.

Planting Calendar for Digitalis

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

You can plant digitalis a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant digitalis in Zone 8a 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 really do well. If you are starting your digitalis indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Zone 8a. You should expect an average low temperature of 10°F in the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 8a and it will vary from year to year. Half of the time in Zone 8a last frost occurs after March 15 so be sure to be ready to cover your digitalis if you have a surprise late frost.

USDA Zone Info for Zone 8a

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Zone 8a

You may be interested in your other planting guides for Zone 8a.