blue spruce #460279 - Ask Extension

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blue spruce #460279

Asked June 06, 2018, 6:53 PM EDT

approx 5 years ago we moved some rather large spruces to the north side of our property. 2 of those trees died and now there is about 3 more that are concerning me. The trees initially looked great now the last 2 years the inside of the trees have become thin- bottom to the top. Brown needles noted to the inside of the tree. however, this year there is new needle growth on the outside/tips of the trees- bottom to top. The rest of the trees that were transplanted at the same time look great. Any answers? The trees came from a tree farm in our same county- approx 3 miles from our house.

Meeker County Minnesota

Expert Response

Colorado Blue Spruce do not do well in Minnesota. It is quite possible that they may have needle cast disease. Here is a link that talks about what it is and what you can do. http://www.extension.umn.edu/garden/yard-garden/trees-shrubs/spruce-tree-diseases/rhizosphaera-needl...
Sherry Schoewe Replied June 08, 2018, 4:35 PM EDT

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