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Archive for July 31st, 2009

IMG_5876One of the commenters onĀ  Locallygrownnorthfield.org, a community Web site where I live, noted that while she has seen lots of pictures of Emerald Ash Borers, she has not seen any of an ash tree. Good point! Ash are commonly used trees in Minnesota, so many people have them in their yards. The photo at left is a shot of a Marshall seedless ash in my yard. (Click on any of the photos for a bigger view.) It was planted as a mature tree 10 years ago, and as you can see, it’s a lovely shade tree, nicely shaped and taller than the roof of our house now.

IMG_5875IMG_5879At left here is the bark of an ash tree. The borer is usually discovered when homeowners notice thinning at the top of their tree and dieback. Arborists will remove some bark and look for the characteristic galleries of the borer. The photo at right shows a typical leaf cluster from an ash. The small dots and slight dieback on the leaves indicate I have a small insect problem with this ash — but it is not the emerald ash borer. (I checked with the folks at Knecht’s about it, but forgot what they said it was, except “don’t worry.”)

Hope this is helpful for those uncertain about whether they have an ash tree in their yards.

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