Q.What pesticide to use?
I have an old lagerstroemia shrub that has a black dusty soot on the branches. What is this ? And what pesticide should I use to rid this from my large greenery shrub?
Thank you
BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 10, 2017
I will recommend rosemary oil, garlic oil, neem oil, lavender oil, and many others. Sooty mold is rather annoying.
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