First thing to do when controlling weeds is to identify the type of weed that you are wanting to eradicate.
Next select correct herbicide and follow label instructions.
Know what kind of disease you are fighting! Don't just assume it is blight.
The Marshall County Extension office can send plant material
off for testing.
We can help you amend your soil!
Know the proper care of selected plants when selecting soils & mixes. Some plants want acid while others want alkaline conditions. Some plants grow better in rocks while others like lots of water.