Perennial Grass Evergreen Presumed to be a hybrid between Sesleria caerulia & Sesleria autumnalis. Blue-tinged green blades bear a likeness to Sesleria caerulia but are longer, while the blooms resemble those of Sesleria autumnalis, except for being thicker & more elongated & turning a purplish brown hue when mature. Blm time: spring/summer. Sun/part shade. Water moderate Ht 1ft Width 1-2 ft USDA Z4-10.