Use geometry to contrast or complement the flowerbed's curving borders repeat in the gentle edging of lawn. Plants chosen in similar hues.lavender, light purple, and fuchsia offer a soothing color for the garden- ideas for the azaleas.
[Wonderful combination of plants. I think I'm looking at foxglove, tall bearded iris, and purple violas. Looks like maybe lamb's ear in the bottom left corner--excellent color foil.] What a great looking garden