Ask Extension Database, NDSU Extension Service Ask Extension for answers to commonly asked questions. Because of their permanence and importance in the landscape, shade trees should be selected with great care. Trees provide shade, help shelter us from wind, and may screen undesirable views or enhance beautiful vistas. Trees make our environment more livable.
Some trees provide colorful or fragrant flowers.
Others produce attractive fruits and lure birds and other wildlife. Leaves in summer vary in color of green and texture. In autumn, they may become brilliantly colored. Trees also offer interest in patterns of branching, forms and bark colors and textures. Winter hardiness and freedom from serious insect or disease problems are important.