I love my Golden Thyrallis bush.
It is now about 10 feet tall and I get to enjoy the abundant yellow flowers until the first frost
usually around Christmas-time.

Wikipedia - Galphimia gracilis, a species in the genus Galphimia of the family Malpighiaceae, is native to eastern Mexico.
It is widely cultivated in warm regions throughout the world, often under the common names gold shower
or shower-of-gold, slender goldshower or sometimes thryallis.