Bayer Chemical Spray Schedule

I didn't make it by Southern States today. However, I looked at my stock of garden supplies and noticed I had Bayer Multi-Insect Killer Concentrate on hand.

First I walked the garden to inspect the damage. I picked off less than 10 beetles and put them in soapy water to drown. There was minimal but noticeable damage on the St. John's Wort, Cherry and Black Eyed Susans. The directions state to spray the undersides and tops of leaves on the plants at the first sign of damage. What I don't know is, "is this preventive or just kills on sight?" The way the bottle reads, it appears to keep the bugs away. It is unclear.

I mixed 1 T. Bayer with 1 Gallon of water as directed and sprayed:
Black Eyed Susan
Purple Cone Flower
Clematis
Cherry Tree
Crepe Myrtles
Dahlia
Monarda

June 5. July 9.