If you're a gardener in the more tropical USDA hardiness zones 10 through 11, you're in for a treat if you plant a particularly fragrant orange-flowering tree that will bring the hummers and ...

The brilliant orange flower of the African tulip tree has been in Hawaii for a long time. The landscaping plant was first introduced in the mid-1800s. -- FOREST and KIM STARR photo An African ...

The flame trees of Guåhan have burst into bloom over the past weeks, creating a stunning canopy of fiery red-orange blossoms.