Q.
cutting back phlox
I have a long area of established phlox that hang over a wall. They are getting thin and stringy and I think they need to be trimmed. Wen do I cut back phlox in MD and how short should I cut them?
A.
Downtoearthdigs
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on October 28, 2016
You can cut your Phlox back any time now through early Winter.
Just give them a hard prune by cutting them back to about 3 to 4 inches in height.
They will grow back in the spring.
https://www.gardeningknowhow.com/ornamental/flowers/phlox/growing-garden-phlox.htm
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