Yucca Plant...A Perennial, evergreen shrub. Native to southwestern U.S., it thrives in soil that drains well can be in full sun. The creamy-white flowers bloom best in full sun, during mid to late summer, with some yucca growing as tall as 10 feet leaves that reach about 2 ½ feet in length. When landscaping with yuccas, it is best to keep them away from sidewalks / high traffic areas as the leaves are extremely sharp can cut someone if they should brush up against the plant. Zones 3-10.