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A large Chestnut Oak at ... #152126 - Ask Extension


A large Chestnut Oak at ... #152126

Asked September 11, 2013, 12:18 AM EDT

A large Chestnut Oak at the crest of the cliff by the water appears to have Slim Flux. It is at the lower 3-4 feet Of the trunk and runs down the hill a foot or two. It is thick and sticky? With a lot of ants, flies and insects crawling around. I can see a small hole about 4 inches wide and 8 inches long at the foot of the trunk by the side with the slim. The tree was here when we built the house in 1975. What is the danger of it going over. We had a tree expert come out and tell us which trees needed to be removed before we built. We are in a critical area. Can someone come out?  It is about one to two feet from the top of my elevator to the water.  It could do severe damage and we are gone for the entire winter.  We had a major tree go out in Floyd and it took about 20 feet of the cliff with it.  Bringing the house 20 feet closer to the edge.  We need an expert not a tree doctor.  We live five minutes down Riva Road from the Dept. of Agriculture just by the bridge.
Thank you.  Terry and Leslie Byrne
2904 Southwater Point Dr. 

Anne Arundel County Maryland

Expert Response

It sounds like you have a magnificent, valuable tree and, yes, it probably has slime flux.  That's nothing to be concerned about, fortunately.  There is information about slime flux on our website's Plant Diagnostic.  Slime flux often attracts insects, but that is not harmful.

You don't mention how deep the crack, or hole, is at the base of the tree.  We may be able to give you a better opinion about whether this is a hazard tree and needs to come down if you attach a digital photo to your email.

We are not staffed to do home visits, but if you contact a reputable tree service company with an arborist certified by the International Society of Arboriculture,, they will send out the arborist at no charge. (Of course, they charge for any work you choose to have done.)  You may want to get several opinions from different companies.  You can locate companies with certified arborists using this link in our website's Information Library:


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