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Paul from Moncks Corner, Sc writes

Can Non-Ionic Surfactant mixed with liquid potassium solution be sprayed on old oak trees . Its to kill the moss

To kill the over growth of moss.

Answer:

You can spray a Non-Ionic Surfactant for Herbicides along with a liquid potassium on old oak trees, as long as it's labeled for use on ornamentals and trees as well. For moss control, you can use Bonide MossMax RTS on hardened bark of trees. Trimming any foliage around that allow the sunlight in will help control moisture in the area that could be the cause of the moss.

Answer last updated on: 02/27/2024

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