Yucca is a genus of over 40 perennial plants, shrubs, and trees. A few are grown as houseplants, including Yucca gigantea (also known as Y. guatemalensis and Y. elephantipes) and the Yucca aloifolia.

Desert plants may have to go without fresh water for ... If they don't survive, that could affect species such as the yucca moth, which lays its eggs inside the Joshua tree flower.