Lantana montevidensis [lan-TAN-a, mon-tay-vid-EN-sis] is a low-growing shrub spreading up to 10′ feet across and only reaches about 18″ inches tall. This cascading Lantana is commonly called purple trailing lantana due to the trailing growth and clusters of purple flowers.The plant is native to various subtropical regions of South America and is often grown in California to protect against soil erosion on dry hillsides.The flowering shrub belongs to the Lantana genus, which includes about 150 species. While it’s an easy plant to cultivate, purple trailing lantana requires a few considerations for optimal growth.