Some people think there is a distinct difference between the two.
Whether you call them shrubs or bushes, these plants are important to any landscape says Jerry Goodspeed, Utah State University Extension horticulturalist. Perennials and annuals provide color and variety. Trees add shade and perspective, and usually frame our homes and yards. There are literally hundreds of different shrubs that grow in our area, Goodspeed says. A shrub or bush is a woody plant with a mature height of between one and a half and 10 feet.