Natural dye with Iris blooms
vintage lace flowers how-to
Any flower imaginable how-tos
Clusters of flowers with loop stitch how-to
French Laundry: Playing with Natural Dyes-these laces were dyed with rose petals.
flower how-to will probably use interfacing instead of felt, the pearl is lovely
sunflower seed dye
DIY: fabric dyeing (how to sun dye fabric)