A mix between Calycanthus floridus and Calycanthus chinensis, this variety is about as quick growing as they come. Hybrid spicebush easily reaches 5 feet tall in just two to three years, while some unpruned specimens can get even taller. "Large waxy green leaves adorn the plant in the growing season, taking on a yellow color in fall," says Jon Roethling. "'Hartlage Wine' and 'Aphrodite' are more easily found selections, both with maroon colored flower with a yellow center."