This is Omphalodes cappadociaca (Starry Eyes) an early spring blooming shade low growing plant. Blooms March-May and good for zones 6-9. Grows about 9-12" high.
This is the solid blue form Omphalodes verna (Blue-eyed Mary).
This one is Polygonatum ordoratum (Solomon's Seal) for the shade garden. Grows 24-30" tall with arching stems and white bell flowers along the stem, very graceful. zone 3-9
Here is Oxalis acetosella )Wood Sorrel). A beautiful woodland ground cover I saw in our Olympic National Rain Forest as an understory. It's about 6-9" tall with white flowers in spring. zone 6-11