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 ½ parts water). You can also add alcohol to a soapy emulsion to make it more effective.
How long does it take to kill aphids with alcohol?
Rinse the Plant
Allow the rubbing alcohol to dry on the pests for about five hours. Rinse the alcohol from the plant with clean water.
Will rubbing alcohol kill my plant?
Seventy percent isopropyl alcohol is sold for antiseptic use. … If the plant is watered with rubbing alcohol, the effects are similiar to those of ethanol. At 5 percent concentration, plant growth is stunted, while concentrations higher than 25 percent tend to damage or kill the plant.
What does alcohol do to aphids?
Rubbing alcohol will clear your plants of aphids and do them no harm at all. Simply take rubbing alcohol and pour some into a spray bottle. If you are worried, the alcohol can always be diluted down. Spray the leaves where the aphids seem to be most concentrated and let the solution dry.
How do you get rid of aphids permanently?
Remove aphids by hand by spraying water or knocking them into a bucket of soapy water. Control with natural or organic sprays like a soap-and-water mixture, neem oil, or essential oils. Employ natural predators like ladybugs, green lacewings, and birds.
Do banana peels keep aphids away?
Add shine and deter aphids by wiping the leaves of plants with the inside of a banana peel. The peel adds shine to leaves while also leaving traces of nutrients and a natural pesticide.
Can I spray my plants with rubbing alcohol?
An alcohol spray is effective against mealy bugs, whiteflies, red spider mites, aphids, fungus gnats, and scale. To make the spray, mix 1/2 to 1 cup of rubbing alcohol with 1 quart of water in a pump-spray bottle. It’s a good idea to test spray one leaf of an infested plant and wait a day to check for damage.