Plants monocarpic; rosettes single. Leaves 50-60 × 0.7-2 cm wide at base in narrow forms, 2-2.5 cm in broader forms. Scape 1.4-1.6 m × 10-14 cm diam. Inflorescences 14-16 dm, 4-5.5 dm at widest point. Capsules with slight or inconspicuous placental wings at maturity.

Flowering spring. Desert, rocky granite, western slopes of Colorado River Canyon; 400--1300 m; Ariz.

Hesperoyucca newberryi is found in Mohave County, in the vicinity of the Colorado River.