Fir Trees
Q.

Brown fir trees

Zone Kildare | Tessmess added on August 30, 2017 | Answered

2 of my fir trees are going brown on the outside. They are 18 years old and about 14ft tall

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on September 1, 2017

There can be several reasons for browning of Arborvitae.

These links will help you pinpoint the issue.
http://horticulture.oregonstate.edu/system/files/onn011001.pdf
https://www.gardeningknowhow.com/ornamental/trees/arborvitae/winter-damage-to-arborvitae.htm

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