Spanish Dagger
Yucca treculeana
FAMILY: Asparagaceae (Asparagus Family)A resilient evergreen native Texas cactus & succulent that provides year-round foliage and structure to the landscape. Native across the Edwards Plateau, Gulf Coast Prairies and Marshes, and Southern Texas Plains, Spanish Dagger (Yucca treculeana) thrives in local conditions while supporting the surrounding ecosystem. Distinguished by dark foliage that is dark green to blue green, it offers an exceptional visual and tactile texture. During spring, the plant produces red, white flower clusters. Flowering is followed by seeds dull black 6.5-10 cm that add vibrant visual contrast and seasonal interest. It plays a vital ecological role as a larval host plant for Central Texas butterflies, including Yucca Giant-Skipper. Thriving in clay, dry, rocky, sand, and well drained, Spanish Dagger demonstrates outstanding hardiness once established. It requires minimal supplemental water and adapts seamlessly to drought conditions. It features high deer resistance.

Spanish Dagger
Yucca treculeana
Texas Native Ecoregions10 REGIONS
Edwards Plateau, Gulf Coast Prairies and Marshes, Southern Texas Plains
13 ft.
4 ft.
Evergreen
Larval food plant for: Yucca Giant-Skipper
Larval host plant for Central Texas butterflies: Yucca Giant-Skipper. Verified online via Texas Entomology (Mike Quinn), Lady Bird Johnson Wildflower Center. Verified via Texas Entomology (Mike Quinn, texasento.net) and Lady Bird Johnson Wildflower Center (wildflower.org).
Non-toxic to humans, birds, and domestic animals.
Low maintenance once established.