Trees and Shrubs
Every plant species has certain environmental requirements for sunlight, temperature, soil conditions, moisture, drainage, exposure, etc. that determine where it can grow successfully. The idea of plant communities – of plants with similar requirements growing together in specific places on the landscape – originated near Walnut Canyon in the late 1880s.
Did You Know?
Animal-shaped figurines made from split twigs have been found near Walnut Canyon National Monument and at other places in the southwest. They indicate the presence of early human inhabitants 4000 or more years ago.