The following are defined and declared to be public nuisances under this chapter:
A. Any tree or shrub located on private property having a destructive or communicable disease or other pestilence which endangers the growth, health, life or well being of trees, shrubs or plants in the city or which is capable of causing an epidemic spread of a communicable disease or insect infestation;
B. The roots of any tree or shrub, located on private property, which cause the surface of the public street, curb or sidewalk to be upheaved or otherwise disturbed;
C. Any tree, shrub or portion thereof located on private property which, by reason of location or condition, constitutes an imminent danger to the health, safety or well being of the general public on city property. (Ord. 75-88 § 1, 1988)