- 1). Remove any dead plants, weeds and grasses that may be attracting insects to your plants.
- 2). Create a barrier around your green beans with mulch. Mulch is not an insect-friendly material.
- 3). Pour insecticide soap into a garden hose sprayer and spray it all over your green beans. Knock off any insects that you see with the spray from the hose.
- 4). Make a band of tin foil, and wrap it around the base of each green bean plant.
- 5). Pick off any insects left on your plant with your fingers. Place the bugs into a pail of water mixed with dish soap to kill them.
- 6). Fill the chamber of a pump insecticide sprayer with a preventative insecticide. Spray the preventative over the plant in long, even strokes.
- 7). Repeat the preventive process occasionally to keep the bugs away.
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