Sec. 4. As used in this chapter, "lawn care service" means service provided to private, institutional, or commercial entities for compensation to maintain and nourish:
(1) turf;
(2) shrubbery;
(3) trees; and
(4) other plants;
commonly associated with private, institutional, or commercial lawns. The term includes the application of commercial fertilizer individually or in combination with a pesticide (as defined in IC 15-16-4-30).