250 (700)cm, Faxon Yucca or Giant Yucca makes an upright stout trunked species with rosette of sharply pointed, olive green leaves with usually reddish or black margins and white threads along margins. Its' trunk is densely covered by old dry leaves. Creamy white bell shaped flowers. Native of W Texas and Chihuahuan desert in Mexico. USDA Climate Zone 6. VI-VIII.