The largest area of growing Bougainvillea in the United States is located in Glendora Bougainvillea of Los Angeles County. Bougainvillea is a type of shrub that typically grows in tropical and sub-tropical climates, making it possible to observe them in other parts of the country. However, the cohesive grouping of Bougainvillea plants in Glendora Bougainvillea makes it significant. The lianas in the area are over 183 meters long, wrapping around old palm trees. Show more