Killing Mealybug Houseplant Pests
What you'll need
Rubbing Alcohol
Pure Castille Dish Soap
If you see fluffy, white spots on plants, this is a sign of Mealybugs.
First, isolate the infected plant so the infestation doesn't spread. Also check nearby plants just in case.
For big leaves, soak a cotton ball in rubbing alcohol and wipe them down. Rubbing alcohol kills mealybugs on contact. Use a q-tip for smaller ones.
Spray the whole plant with a mixture of 1 tsp of dish soap in 3 cups of water.
When spraying, do the top and bottom of leaves, the stem, the soil and even the bottom of the pot and tray.
Change out the soil. Some species of mealybug live in the soil and eat the roots.
Repeat steps 1 to 3 ( rubbing alcohol and soap spray) every week if you keep finding mealies.
Finally, if the infestation is very bad, or mealies are still present after 4 weeks, throwing the plant out is (unfortunately) always an option.
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