Arborvitae
Q.

What is happening to these conifers?

Zone Donegal | Una Mcmahon added on August 2, 2019 | Answered

These conifers are around 15-20 years old, but some look like they’re dying . Any ideas what’s happening?

    A.
    A.Answers to this queston: Add Answer
    BushDoctor
    Certified GKH Gardening Expert
    Answered on August 2, 2019

    This appears to be a fungal infection. This can happen when the season is overly wet, or from over irrigation.

    You will likely have to remove the trees heavily affected, as they will never fully recover. I would treat the area with a fungicide as well, before planting. This article will help: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

    This article will help you to care for Arborvitae: https://www.gardeningknowhow.com/ornamental/trees/arborvitae/growing-arborvitae-trees.htm

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