Neem oil reduces aphids, spider mites, and mealybugs. Follow label instructions to spray neem oil and water on affected plants. Neem oil kills insects by altering hormones and repelling them.
Mild liquid soap and water reduce aphids, whiteflies, and scales. Add a few drops of liquid dish detergent and water to a spray bottle and spray damaged plants. Soap kills insects by suffocating them.
Isopropyl alcohol kills mealybugs and aphids on contact. Gently dab insects with an isopropyl alcohol-soaked cotton swab or ball. Test a small plant section initially to avoid damage.
Add ladybugs, lacewings, or predatory mites to your indoor garden for natural pest control. These insect predators treat indoor plant pests without pesticides.
Check indoor plants for pests and cut off infected leaves and branches. Quarantine a badly afflicted plant to stop pest spread.