Perennial Herb or Tree: Evergreen. Drought, deer and fire resistant. Nice border, pot & cut flower plant. An elegant short leaf selection with powder blue foliage. Attracts hummingbirds. Flower spikes to 36". Size: 20" x 24"; eventually will form an upright, unbranched 4' tree. Exposure: sun. Water: moderate. USDA Z5-9. The hardiest of the trunk forming Yuccas.