I have sprayed leaves with Provanto Ultimate Bug Killer and doff universal bug control but still no improvements.
It looks more like caterpillar or slug damage. Check under the leaves. You may need to go out at night and try to identify the culprits. These articles should help:
How do I get rid of slugs I. My garden?
Here are some tips that should help:
I think Snails eat my graden grass. Is That possible.
Yes. Snails can be a real problem. Here is an article that will help:
Thank you Bush Doctor.
this links help me much more...