Muhly Grass 'Pink' (Muhlenbergia Capillaris) - Zone 6-9 Full Sun 3' Height/Width. Clump-forming grass known for its pink-purple (avail in white also) colored inflorescence that float above the plant in an airy eye-catching display from September to December. Heat, humidity, deer, drought resistant (once established) in well-drained soil (hates wet feet).
from High Meadow farms-- use some of theirs: mixed fountain grasses plus pee gee hydrangea, white echinacea ("White Swan"), plus possibly some oak leaf or Annabelle, plus possibly low white carpet rose. Maybe add Icicle White Veronica or similar. Do Russian sage and grasses near steps.