By: Shelby Allred And Keyana Warren Facts About River Birch’s • It grows as tall as 80 feet. • It is in the southernmost of the United States. • The leaves are triangular shaped • Male flowers called catkins will grow in the winter • Female flowers grow in the early spring. Tree Flakey, Tall Leaning, Growing, Drooping Home, Shade, Shelter, Habitat Breathing, Living, Standing Green, Beautiful River Birch OUR TREE Changes About The Tree The leaves changed colors from green to yellow. Some leaves has fallen. The bark looks thinner.