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Cedar Trees

Q.killing wasps

Zone V1H | Anonymous added on August 12, 2020 | Answered

Will spraying my cedar shrub with a peppermint oil solution to kill wasps harm it???

GKH_Susan

Certified GKH Gardening Expert

Answered on August 13, 2020

It's best with any homemade solution to test it out first. Spray a little on your shrub and wait 48 hours to see if there is any damage. If so, only spray around the plant and on the ground. Also, if your recipe contains oil, be sure not to spray during the heat of the day, it could burn your plant.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/using-essential-oil-as-pesticide.htm

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Q.killing wasps

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