The city, through its city forester, shall condemn and remove or order the removal of any tree, tree stump, shrub, or plant upon any of the public streets or on public property within this city where the same is dead, diseased, or for any reason whatsoever is deemed undesirable by the city council. The city, through its city forester, shall have authority to condemn and remove, or order to be removed, any tree, tree stump, shrub, or plant upon private property when the city council shall find such action necessary to the public safety or to prevent the spread of disease or insects, and shall have the authority, after exercising due diligence to notify abutting property owners, to remove or order the removal of any tree, shrub, or plant which has been planted upon any public street or on any public property in violation of this chapter or any other ordinance. The city inspector and the city forester shall have the authority to report any violations of this chapter to the city council for its action. [Code 2000 § 12-4-3].