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Irish Moss

Q.Irish moss

Zone 91342 | Anonymous added on April 4, 2020 | Answered

My Irish moss has a weedcloverish plant growing out of it, actually taking over. Is there a weed killer I can use that won’t hurt the Irish moss?

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Certified GKH Gardening Expert
Answered on April 5, 2020

My research showed that any product containing glyphosate (systemic herbicide) should work without harming the moss. That is because moss doesn't have a vascular system of roots, but gets its moisture and nutrients from the air. Systemic herbicides work through the vascular system of plants.


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