Big Bend Yucca: This tree-like yucca is a slow-growing evergreen, with a perfectly symmetrical round form. Its form includes hundreds of 2 foot long leaves. The leaves have sharp points and are blue-green color. The rosette of leaves sits at the top of the trunk. The trunk is covered with the remains of old leaves which are soft fibers. Beautiful yellow-orange stalks appear at the top of the plant in late spring. The stalks have clusters of white flowers.