“Conservation plant materials” means those trees, shrubs and plants and the parts of such trees, shrubs and plants used for:
1. Well-established conservation purposes such as xeriscaping, windbreaks, wood lots, soil erosion control, wildlife habitation, revegetation, noise abatement, water conservation and fire control; or
2. Beautification purposes for parks, recreation areas, public rights-of-way, areas that are commonly owned, greenbelts, schools and public buildings.