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The white powdery look you sometimes see on plants is mealy bugs that can infest plants after a lot of rain. Take a bowl and mix original Dawn soap and place it into a plastic hand held sprayer. The mix is 2 to 1 heavy on the soap; spray and let dry. If you have a really infested plant, rub the leaves with a soft cloth with this solution or dip into a bucket of solution and remove as much residue as possible. This is a natural solution smothering the scale or powder.
I just went to the garden store because I have mealybugs on my raspberry plants. I bought insecticidal soap. The owner said regular soap, such as Dawn, will kill the plant as well as the bugs.
Keeping a spray bottle with rubbing alcohol is convenient and can be used to get rid of mealy bugs on succulent plants! Rubbing alcohol is inexpensive and succulent safe while also getting the job done by getting rid of mealy bugs!
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How do you get rid of mealy bugs on indoor house plants? They got on one plant and now have spread to two other plants.
By kay from Nashville, TN
My Jerry Baker book said to spray your plants with Alcohol (rubbing alcohol). I've been doing it, and it doesn't seem to hurt the plants and the bugs certainly became much less prominent. Then I kind of quit and forgot about it for a few weeks and they came back.
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Alcohol kills mealybugs, scales, aphids, spider mites, white flies, slugs, and earwigs by acting as a surfactant, or wetting agent, that can penetrate an insect's waxy coat of armor and kill on contact with the body. Isopropanol (rubbing alcohol) works fine and is easy to find, but be sure it doesn't have additives. Ethanol (grain alcohol) seems to work best.
To make an insecticidal spray, mix equal parts 70 percent alcohol and water (or if using 95 percent alcohol, mix 1 part alcohol to 1-1/2 parts water). To kill mealybugs, dip a cotton swab or cotton ball into alcohol and wipe off the infestation.