Shrub Yucca filamentosa 'Bright Edge' [Variegated Adam's Needle Yucca] As the name implies, 'Bright Edge' has leaves edged with yellow variegation. The swordlike foliage gives this species the appearance of a desert plant, and it does tolerate dry soil well. Flower spikes bring overall plant height to over 6'. Best used in mass plantings. Doesn't like wet soils.