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Two oak trees, one dead

Posted on 7/23/18 at 8:08 am
Posted by Boston911
Lafayette
Member since Dec 2013
1942 posts
Posted on 7/23/18 at 8:08 am
I have two Shumard oaks, they are about 30ft from each other, both are 5 years old, about 4” diameter, both bloomed out great, both were nice and green until last week, now one is normal and the other has 95% light-medium brown leaves. Both have adequate watering. Any idea what could cause one to turn brown?
Posted by nated14
Baton Rouge
Member since Nov 2009
874 posts
Posted on 7/23/18 at 8:14 am to
I had something similar. I was told one was struck by lightning
Posted by saltwaterdawg
Member since Nov 2016
870 posts
Posted on 7/23/18 at 10:29 am to
Check for carpenter ants
Posted by The Scofflaw
Metairie, LA
Member since Sep 2014
964 posts
Posted on 7/23/18 at 10:03 pm to
Are you overwatering? 5 year old oaks shouldnt need supplemental watering. Also can you post a pic of the leaves.
This post was edited on 7/23/18 at 10:04 pm
Posted by ItzMe1972
Member since Dec 2013
9800 posts
Posted on 7/23/18 at 10:16 pm to
Crazy dry weather, then heavy rains, then crazy dry again.
I bet they were stressed.

Sucks to lose a tree like that.
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 7/24/18 at 5:34 am to
I had around 15 oaks that had died the last two years that did the same thing. Still don't know as to why. I'm talking about trees 15 to 20 years old.
Posted by Daponch
Da Nortchore
Member since Mar 2013
996 posts
Posted on 7/24/18 at 6:12 am to
Most likely some type of root rot. It’s hard to say without knowing all the variables but our wet winters mixed with hard freezes and late cold snaps have really damaged established trees and shrubs. It has been going on for the last few years. Winter damage is expressed once it really gets hot and the tree/shrub has problems with a compromised root system. It has been a problem in heavy clay plantings or plants installed too low. Once it is in decline there is nothing you can do. You can take some root samples and sections of the stem dieback to your local LSU Ag center for diagnosis if ya like
Posted by Jeff Goldblum
Gardner, LA
Member since Nov 2004
1039 posts
Posted on 7/24/18 at 1:26 pm to
I had a white oak just die last year, about 8 years old. I also had to cut down 2 Shumard Oaks in the last couple of years that just died out.

This upset me a lot. Hate losing trees, not to mention the cost of getting them removed. Talked to some forest folks and that was a waste of time. Finally I got some wisdom from a local who told me sawtooth oaks, water oaks, and pin oaks are hard to kill off. Stick to those.
Posted by The Scofflaw
Metairie, LA
Member since Sep 2014
964 posts
Posted on 7/24/18 at 4:48 pm to
I love water oaks (used to have a huge one growing up) but they don't live long.

Where I'm in, Live Oaks and Bur Oaks are impossible to kill.
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