Full scorching summer sun (esperanza won’t bloom as well in shade). Few ornamental shrubs can outperform esperanza in south-central Texas; clusters of yellow, orange, or red trumpet flowers barrel all the way through the summer with or without rain or drought. If winters stay warm enough for a few years, esperanza can grow into a very large shrub or small tree; however, hard freezes usually take it back down to the roots.
Like bougainvillea, esperanza provides a drought-proof tropical effect.