Upright, trunk-forming yucca to 6-40' tall, some reaching to 40', the giant of yuccas. Most individuals are single-trunked, although some can form clumps with trunks of different heights. This is a great specimen plant for any desert landscape. Forms open forests in w Texas spectacular in bloom in late spring or summer. Lvs 3' by 3-5" with stout spines. Trunk covered with dense thatch. Adaptable if well drained site.