Rhododendron X Blue Baron (blue baron rhododendron)Brilliant blue flowers early May Small, shiny elongated foliage Compact, mounded landscape form Looks good year round Reddish bronze foliage adds winter interest Striking, riveting, brilliant blue flowers grace this selection in early May, nearly covering its uniquely small, elongated, shiny foliage. Compact, mounded landscape form is easy to work with and looks good year round, even in winter as its foliage takes on a decidedly reddish bronze hue.