What is causing the bark to split on my Japanese maple? - Ask Extension
We have a Japanese maple in our landscaping that is about 2 years old. It began to show splitting of its bark late last summer. I've been reading abo...
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What is causing the bark to split on my Japanese maple? #227051
Asked February 08, 2015, 11:54 AM EST
We have a Japanese maple in our landscaping that is about 2 years old. It began to show splitting of its bark late last summer. I've been reading about tight bark but don't think that's the problem. It is in a shaded area, getting only diffused light in the afternoons. It's been very healthy, but we are worried this is the beginning of its end. Is there anything we can do to compartmentalize the area or stop it from getting worse? What is causing it?
Athens County Ohio
Expert Response
There could be several issues causing this bark splitting. This first is that this tree is a thin-barked tree and is prone to this issue. Another may be drastic temperature changes (even though it is in shade). Yet another could be the use of glyphosate (also known as Roundup) in the area - most importantly it is not the glyphosate, but the surfactant found in the mix. Most importantly - do not paint or use other protectants on the wound. Let it heal naturally. This tree is not drought tolerant, so be sure it is properly mulched and watered in the hotter months.
More than my basic information above, here are some articles to read which will assist you with this issue:
UNDERSTANDING:
MANAGEMENT:
More than my basic information above, here are some articles to read which will assist you with this issue:
UNDERSTANDING:
MANAGEMENT:
