Yucca filamentosa 'Color Guard' is a beautiful variegated evergreen plant resembling an Agave.  The foliage is evergreen and will form a large open rosette.  It has some incredible noteworthy characteristics that makes it a popular choice among dry garden enthusiasts.  Adam's needle is drought tolerant, attracts butterflies, it can tolerate poor rocky soils, resists rabbits and deer, and will also tolerate poor air quality which makes it suitable to be planted adjacent to roads and urban areas.  It has very low maintenance needs and will grow to about 6 feet tall by 3 feet wide.  A tall cream-colored flower spike will appear in Spring and is quite showy.  Use Yucca filamentosa 'Color Guard' on slopes, in pots, or in front of a wall to highlight architecture.  USDA Zones 4-9.