indoor insecticides natural - Knowledgebase Question

West Newton, Pe
Question by Balenovich
March 6, 2010
Used to have recipe which used 1 tablespoon dishwashing liquid, vegetable oil and water for indoor use on plants. Any input??

Answer from NGA
March 6, 2010


A homemade insecticidal soap can be made from adding a tablespoon or two of dishwashing detergent (such as Dawn_to a gallon of water. A few drops of cooking oil can be added as well, which will help the mixture cling better. However, use this with caution. The oil can suffocate leaves by clogging up their natural openings. If your houseplants have insect pests you can usually wash them off with a strong stream of water (sink or shower, depending upon the size of the plant). Scale insects and mealybugs can be controlled by dabbing individual pests with a Q-Tip dipped in rubbing alcohol. Best wishes with your houseplants.

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