Gaura - one of my favorites! Easy to grow perennial that flowers from spring to fall.
Kleurrijk huisje in het bos
A Guide to Perennial Placement in the Garden. Brilliant.
Ravelry: Project Gallery for 3 in 1 pattern by atelier alfa
Rag Rug Instructions (No-Sewing!)--Little House in the Suburbs
Best Flowering Shade Plants
Ravelry: revi-and-noas layers! (3 in 1 test)