River Birch Question

farmersteve(N. AL Zone 7)March 10, 2009

I have two river birch trees in my yard. I noticed today that they were both dripping (weeping, bleeding, not sure what you would call it) a clear liquid. I have been living here for 4 seasons now and the trees have been here since we moved in but I have never noticed this before.

The weather has been unseasonably warm for the past week or so, and about 80 today. After examining both of the trees closely, I noticed that they were both dripping quite a lot. One of them had a wood pecker working the trunk and branches over a good ways up.

Is there any cause for concern? Is this normal. Any suggestions on the cause would be appreciated.

Steve

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dr_andre_phufufnik(Blsk, Voynovia)

Birches' and maples' sap runs in the spring. Open wounds leak the sap. Your woodpecker is probably the cause. But I wouldn't worry that your trees are fatally damaged. Soon the sap will stop running.

    Bookmark   March 11, 2009 at 9:29AM
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jqpublic(7b/8a Wake County NC)

Interesting! We noticed that too today. The River Birch overhangs a sidewalk and I guess its easy pickings for passersby who like to pull at the low hanging branches. It almost looked like it had rained recently or smthg...because the sap was hanging from several branches.

    Bookmark   March 11, 2009 at 10:31PM
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gottagarden(z5 western NY)

If a woodpecker is bothering your tree, it's probably trying to get bugs inside the trunk. Not a good thing.

    Bookmark   March 15, 2009 at 8:01AM
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ctlady_gw(z6 CT)

Just a warning: we lost two trunks of a beautiful triple-trunked river birch clump to yellow-bellied sapsuckers at our old house (diagnosed by the folks at our local ag station when I took in a chunk from the point at which the trunk broke off -- they immediately identified the traces of a circular "ring" of bore holes around the trunk at the point at which it broke off). You might look carefully for actual bore holes, and try to ascertain what's going on. We were told that once the sapsuckers "found" our trees, they would continue coming back to our particular trees each year, so you'd want to take preventive measures, whatever those might be. We bought ours ("Heritage") because we thought it was less prone to borers than other birches. But I assume those sapsuckers were after something...?

Here is a link that might be useful:

    Bookmark   March 15, 2009 at 12:42PM
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