Blue Sage (Salvia farinacea) - herbaceous perennial that blooms fragrant, blue/purple flowers from spring to fall. 
 
Growth: can grow 1-3 feet tall.
Light: Prefers full sun - at least 6 hours a day.
Soil: well-drained soil. clay, loam, & sandy soils.
Hardiness: Drought tolerant & deer resistant.
Maintenance: moderate watering to avoid root-rot & deadhead for longer blooms.
Benefits: Attracts butterflies, hummingbirds, & other pollinators.