The Q&A Archives: Junipers

Question: I have a beautiful juniper on a s slope near my house but I have grass coming up through the plants. I have tried pulling the grass but I think it is making it worse. Is there anything I can use or do the solve this problem.
Thank You Deb

Answer: Weeding between junipers is a prickly job at best! One method of control would be to carefully use glyphosate on the grass according to the label instructions. However, this is a non-selective herbicide and should not be allowed to contact the junipers, so sounds like it may not be an option here. It also would not prevent new grass from growing. Another approach would be to place newspaper or cardboard topped by layer of mulch around, in and under the junipers and over top of the grass. This will exclude light and eventually smother the grass. It would also prevent new plants from any seeds already in place. If you continue to top up the mulch periodically this should keep new weed seeds that have blown in from elsewhere from germinating, also. Eventually, the junipers should be thick enough to smother any weeds all on their own and the cardboard or newspaper will rot away.

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