Perenial: Evergreen arching green foliage. Clumping growth habit. Good in rock gardens, edgings, borders & dry shade. Tolerates heat, deer, humidity & drought. Flower spikes resemble grape hyacinth. Blooms: summer-fall. Color: violet blue. Size: 8-18" x 12". Exposure: sun/part shade. Water: moist to dry. USDA Z5-10.