Landscape Use: Strong accent or focal point, year-around sculptural interest, xeriscape.
Form & Character: Arborescent, stiff and upright, foreboding, untouchable, branched when mature, arborescent.
Growth Habit: Evergreen woody perennial, slow growth to 10 feet or more in height. Relatively thick trunk.
Foliage/texture: 2 feet long by 1/2 inch wide, strap like, powder blue (glaucous) leaves with yellow margins. Leaves not as stiff as Y. rigida; medium coarse texture
Flowers & fruits: 3 feet flower stalk bearing white flowers in clusters
Seasonal color: White flowers in Spring.
Temperature: Tolerant of cold to -20oF. May show leaf tip dieback during excessively hot summers.
Light: Full sun
Soil: As with other xeric yuccas, well-drained soil is a must requirement and rocky porous soil is preferred.
Watering: Rarely apply supplemental water.
Pruning: None, though many shave old leaves to reveal outstanding trunk character.
Disease and pests: Root rot, grubs or larval stages of desert beetles feed on roots. Treatment includes application of diazinon granules to the soil.
Additional comments: This is an exceptionally attractive large yucca for big landscape spaces. The availability of this wonderful landscape accent shrub in the southwest US is largely credited to the hard work of Moutain States Wholesale Nursery.