Beautiful flowers and foliage are hallmarks of these shade-loving perennials. Bonus (!) - most are deer resistant.
This article from Better Homes and Gardens showcases 23 wonderful examples of shade loving perennials that will work well in our higher altitude gardens. Includes great photographs for easy identification of each plant.
Note: Hosta (number 4 on the list) isn't particularly deer resistant and will need to be netted or protected behind a fence or with consistent use of Liquid Fence).
Flower shown in photo above: Astilbe
Article Credit: BHG.com