Dalmation Bellflower produces beautiful mounds of purple bell-shaped flowers from late spring through summer. Low-growing plant is perfect for adding color in front of other perennials. Grows only tall. Spreads Prefers full sun to partial shade.
I have these, but love the mixture with boulders.Blue lithodora - They are low-growing, evergreen shrubs and subshrubs, producing blue or white The Greek lithodora literally means "stone gift", referring to their preferred rocky habitats.