I have a huge oak on the south side of my home that excretes a sap every spring for the last 10 yrs. The sap covers about 25% of the tree. Thousands of butterflies are attracted to the brown slim. Is my tree dying or is this normal?
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I'm not an expert, but from all the oak trees I've been around, it is normal. -
Prob not dying. Most likely reacting to a pest. Had a tree doing this also. My buddy is aborist and he came out and injected some chemical around drip line and problem went away and never came back. I wish i could send him the pics but he had bad accident (fell down stairs in his house) and isnt fully there anymore.Comment
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Originally posted by Big Al View Post
Google it. Look especially for advice inline from Howard Garrett aka The Dirt Doctor.Comment
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I think it okComment
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This is actually the same thing that is happening to a oaktree at my campus in Austin. They had some tree disease people out there taking samples and they are trying to figure this out. He said that he thinks the tree is slowly dying from this. Its some kind of disease or something. He still has not diagnosed it, but I do know he said its not good. Google it, but there are a number of things it could be. It's pretty sad. You can see the tree not looking so healthy, which is an old old oak. This looks just like the sap that is coming out of ours. Does it kinda have a piney smell to the sap? Its black almost correct? Call some oak Drs about this.Comment
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The sap is almost black in color. I cannot distinguish a smell to the sap but the butterflies are attracted to it like bees to honeysuckle. The neighbors tree across the fence line died two years ago but that tree never had sap oozing.Comment
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