If you have a severe infestation of whiteflies or aphids, Bayer Advanced 3-in-1 is a quick way to kill the live bugs that are on your plants, while also knocking out surface fungal infections. It has a short-term residual effect that continues to kill these pests for two weeks. For severe infestions, plants will need to be sprayed every two weeks.
Alternatively, you can follow up your spraying with a systemic application in the soil of Bayer Tree and Shrub, which will continue to kill these pests and prevent future infestations on your plants for 3-4 months.
This product contains three active ingredients that work against insects and fungal diseases. It is available in a ready-to-spray bottle that requires no mixing, and as a concentrate that makes 12 gallons of spray (or refills the spray bottle 48 times when mixed with water).
For more information about each specific hibiscus pest, or to diagnose your pest problem, go to our Hibiscus Pests Care Pages.
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