A Japanese beetle on the flower
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How To Use Cedarwood
Oil To Keep Japanese Beetles Out Of The Garden
Derived from steam-distilling wood from the cedar tree, cedarwood oil has a robust, earthy fragrance that creates an unfavorable environment that deters beetles from settling in.
First, dilute the essential
oil in water, as direct application can harm the plants. For a large quantity, mix four tablespoons of cedarwood essential oil with a gallon of water.
Pour the mixture into a spray bottle and add a few drops of carrier oil, such as olive oil, so the repellent clings to the plants, ensuring better coverage and lasting protection.
Apply to the plants and other problematic areas. For better results, apply early in the beetle season and repeat the process after heavy rain or if the beetles persistently return.