emerald cedar - Knowledgebase Question

Ottawa, On
Question by rcd1600
May 24, 2007
Hi. Purchased a 6' tall emerald cedar. I see some black on 1 branch. Should i be concerned? Thanks kindly. Rick


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Answer from NGA
May 24, 2007

0

That depends upon what the black substance is. If it is sap, it may be just natural oozing or could indicate a wound of some kind. If it is sap that has turned black from bacterial activity, it shouldn't harm your cedar. If the black substance is powdery, it could indicate a fungal growth of some kind. Try wiping or washing it off. If you can't, I'd recommend watching the spot and the tree closely for signs of other problems.

Best wishes with your emerald cedar!

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