Rhododendron...my folks have this in front of their house...when they're in bloom it's an amazing site.
Creeping Phlox... Amazing for ground cover, or along pathways or walls, or in a rock garden, or on a roof, or in a pail. The possibilities are ENDLESS. Lovely perennial.
Bellflower- best plants for cottage gardens This tough perennial produces spikes of white or blue blooms in early and midsummer. Like most cottage garden plants, the flowers are great for cutting. Name: Campanula percisifolia Growing conditions: Full sun or part shade and well-drained soil Height: To 3 feet tall Zones: 3-8, depending on variety More on Growing Bellflower
Flowering plants that like the shade - perfect for in front of my house