Monterrey Oak, with a broad rounded crown, is a semi-evergreen tree which can be found growing in nature throughout Mexico and along the Devils River in Val Verde county, grows about 40 feet tall. The new leaves which are 5″ long, emerge peach colored in the spring, growing into a thick, leathery leaf with raised veins on the yellowish underside. Only recently discovered growing native in the United States, it’s a very popular Landscape tree with its semi-evergreen habits.