What should I use to get rid of scale on my holly bush? It is very close to lilac bushes, rose bushes, and hydrangea - which are not affected yet. Thank you.
Scale on Holly Bush
Certified GKH Gardening Expert
I would recommend neem oil. I have found it to be very effective against these pests. Here is more information on it: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm For additional information on scale bugs, which commonly affect these plants, here is an article that you may find helpful: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm