Noun has 4 senses

• blue sage(n = noun.plant) salvia lancifolia, salvia reflexa - sage of western North America to Central America having violet-blue flowers; widespread in cultivation;


• blue sage(n = noun.plant) mealy sage, salvia farinacea - Texas sage having intensely blue flowers;


• blue sage(n = noun.plant) salvia azurea - blue-flowered sage of dry prairies of the eastern United States;


• blue sage(n = noun.plant) artemisia tridentata, big sagebrush, seriphidium tridentatum - aromatic shrub of arid regions of western North America having hoary leaves;