Mimulus alatus
Mimulus alatus plants have square stems, smooth leaves, and pale blue to violet, snapdragon-like flowers that bloom from June through September.
Geum rivale is a clump-forming, hairy perennial with showy, nodding, bell-shaped purple flowers.
Virginia Mountain Mint is an easy-to-grow, wildlife-friendly, deer-resistant perennial in the Lamiaceae (mint) family.
Virginia Wild Rye is a cool season perennial bunch grass featuring silvery blue-green leaves in spring and brilliant golden brown leaves in fall.