(B) The trees recommended in § 152.519 represent the best combinations of these characteristics:
(1) Hardiness.
(a) Resistance to extreme temperatures;
(b) Resistance to drought;
(c) Resistance to storm damage;
(d) Resistance to air pollution; and
(e) Ability to survive physical damage from human activity.
(2) Life cycle.
(a) Moderate to rapid rate of growth; and
(b) Long life.
(3) Foliage and branching.
(a) Tendency to branch high above the ground;
(b) Wide spreading habit; and
(c) Relatively dense foliage for maximum shading.
(4) Maintenance.
(a) Resistance to pests;
(b) Resistance to plant diseases;
(c) Little or no pruning requirements; and
(d) No significant litter problems.
(Ord. passed 12-20-2001) Penalty, see § 152.999