The USDA Zone info is a great tool for gardeners to help us determine 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.

In Barnwell you can estimate when it's the best time to plant digitalis by referring to 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.

Since digitalis are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant digitalis in Barnwell 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 little bit earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is March 15 in Barnwell. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Barnwell is just an average the actual date of last frost is different every year. Since half of the time in Barnwell you get a frost after March 15 be ready to cover your digitalis if you have a late frost.

USDA Zone Info for Barnwell

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 Barnwell

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