Which is better, purple azaleas or national flag azaleas?

Rhododendrons include evergreen rhododendrons and deciduous rhododendrons. The colors of evergreen rhododendrons are white, pink, variegated, dark pink and red, and the colors of deciduous rhododendrons are yellow, orange, white, pink and red. Rhododendrons are mostly shrubs or small trees about two meters high, and there are also rhododendrons and purple-backed rhododendrons that are only a few centimeters high and crawl on the rocky ground for ten days, as well as big tree rhododendrons and giant rhododendrons with dozens of feet of flowers. Azalea is a common azalea, which refers to all kinds of red azaleas. It is named after the mountain is reflected when it blooms. This is the popular name of azalea.