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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comPlease see attached image of part of my hedge. It’s Leylandii, very mature. It started doing this late last year. What’s the best approach?
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1 Comment To "Leylandii problem"
#1 Comment By GKH_Susan On 04/15/2020 @ 9:38 pm
It sounds like blight. Here are common problems with Leylandii cypress:
https://www.gardeningknowhow.com/ornamental/trees/leyland-cypress/leyland-cypress-diseases.htm [1]