Scientific: Yucca pallida
Common: pale yucca, pale leaf yucca, twist leaf yucca
Family: Asparagaceae (subfamily Agavoideae)
Origin: Texas, endemic (native only) to North Central Texas and may extend into the Edwards Plateau, growing on rocky soil and outcrops of the Blackland Prairies and the Grand Prairie.

Pronounciation: YUK-ka pal-LI-da

Hardiness zones
Sunset
7-10, 12-24
USDA 7-11

Landscape Use: Accent, border, focal point, xeric landscape mass plantings, container plant.

Form & Character: Basally spreading, pale, spherical, reserved, peaceful, less obtrusive than other yuccas, Spanish architecture.

Growth Habit: Evergreen perennial, mostly herbaceous, slow, acaulescent (stemless), and basal to 2 feet in height with equal spread (6 feet in height with flower stalks), some basal offsetting with age.

Foliage/texture: Strap-like leaves are 2 to 3 feet long, finely serrated, strongly glaucous (gray blue), taper to a sharp but flexible tip, leaves sometime revolute (twisted); coarse texture.

Flowers & fruits: Pale whitish green flowers with 6 petals are born singly along a 6 to 8 feet flower stalk; fruit a capsule.

Seasonal color: White in April/May in Phoenix, June elsewhere.

Temperature: Tolerant of heat to 1180F, hardy to 0oF.

Light: Full sun to partial shade. Can be grown in shade but flowering will be inhibited.

Soil: Like other yuccas, pale yucca MUST have a well-drained soil to grow well.

Watering: Requires little supplemental water (mostly summer) and NO irrgations during winter.

Pruning: Remove the flower stalks after bloom.

Propagation: Seed, division of basal clump.

Disease and pests: Spider mites, root and crown rot if over watered.

Additional comments: Pale yucca is a well-adapted, smaller yucca for xeric and oasis Phoenix landscapes. It can hybridize with Yucca rupicola.