Superior Spray Service regular sixty day maintenance will take care of all the issues above except for snails.They will be treated with a granular bait, as needed for problem plants. A way you can tell if you are having a snail problem is that there will be holes in the centers of the leaves on the problem plants, whereas caterpillars usually chew from the edges of the plant leaves.
You may walk outside your home or business and notice on your plants that there is a black coating on the leaves. This is called sooty mold. You may suspect this is some form of fungus, and it is. This shows that there is some type of pest infestation on your plants, which needs to be addressed.