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What you need:
  • Hose
  • Insecticide
  • Magnifying glass
If you notice that one of your houseplants is infested, isolate it immediately and identify the pest. If you're not sure what you have, pinch off a leaf that has one of the offending pests on it and take it to your local garden center. Place the leaf in a sealed plastic bag to prevent spreading the pest to the garden center!
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In most cases, the course of action includes washing the plant to dislodge as many of the pests as possible. If the plant is small, follow our tutorial on Cleaning Small Plants. Take a larger plant outside and gently hose it off. Be sure to spray the undersides of the leaves.
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Next spray the plant with a recommended low toxicity insecticide. Always take proper precautions when applying pesticides; protect skin and eyes, avoid breathing fumes, etc.
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Keep the plant quarantined until you are sure the infestation has been eliminated. Check the plant daily for signs of re-infestation during this period. Use a magnifying glass to check for pests.