They will not be as predictable as vegetatively-propagated or grafted plants(clones). They will, however, all make fine low-care hedges, beautiful mixed hedgerows or shelterbelts, prevent soil erosion, and provide wildlife habitat. Some will produce sweet and tasty fruit. Others will make great jams and jellies.
For more on growing trees and shrubs from seed with an encouraging attitude and lots of humor, please see The Medicinal Herb Grower in our book section.