Yucca and related species
Beaucarnea longifolia (Syn: Nolina longifolia)
Beaucarnea stricta (Syn: Nolina stricta)
Dasylirion longissima (Syn: Dasylirion longissimum) Mexican grass tree.
Dasylirion texanum (Sotol)
Dasylirion wheeleri (Desert spoon). Sunset: 10-24; USDA: 7b-11. Full sun. Heat tolerant. Low water. Treelike growth to 10' tall, 5' in diameter. Hardy to 5°F. Origin: Arizona, New Mexico, western Texas, Northwest Mexico. 1700 seeds per oz.
Nolina bigelovii (Beargrass)
Yucca aloifolia (Dagger Plant)
Yucca angustissima (Thin Leaved Yucca). Creamy white to yellowish flower with tinges of pink. 18' long linear leaves which are green with white margins. Native to elevations of 4,300-4,500 feet. Grows to 2-3 feet tall with 3-5 foot spread with a flower stock up to 5 feet tall. 60-90 days cold moist stratification recomended.
Yucca angustissima v kanabensis (Kanab yucca)
Yucca brevifolia (Joshua tree). 320 seeds per oz.
Yucca elata (Soaptree yucca). Sunset: 7-24; USDA: 7-12. Full sun to light shade. Tree like yucca, up to 20' tall. Hardy to 0°F. Origin: Arizona to Texas, northern Mexico. 1500 seeds per oz.
Yucca faxoniana
Yucca filamentosa (Very cold hardy). Recommended for all zones. Sunset: 1-24
Yucca flaccida
Yucca glauca (Spanish bayonet). 22,680 seeds per pound.
Yucca harrimaniae (Dwarf Yucca)
Yucca neomexicana
Yucca pallida. Origin: Texas
Yucca reverchonii
Yucca rigida
Yucca rostrata
Seeds Yucca rostrata v. rigida (Super blue). Beautiful bright blue leaves, stiffer than those of Y.rostrata but less than those of Y.rigida.
Yucca rupicola
Yucca schottii
Yucca thompsoniana
Yucca torreyi
Yucca whipplei (Lord's candle).