Q.Growing zones
I’m looking for an evergreen ground cover for slopes that will thrive in Middle Tennessee. Is Bearberry appropriate?
This link will help you determine your growing zone.
https://www.gardeningknowhow.com/planting-zones/tennessee-planting-zones.htm
https://www.gardeningknowhow.com/garden-how-to/gardening-by-zone/zone-6/zone-6-ground-covers.htm
https://www.gardeningknowhow.com/garden-how-to/gardening-by-zone/zone-7/zone-7-evergreen-groundcovers.htm
https://www.gardeningknowhow.com/ornamental/shrubs/juniper/growing-creeping-junipers.htm
Visit local garden centers and even talk with your County Extension Office to find varieties of ground cover suitable to your region.