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Bronze Leaf Disease of Poplar Trees


A new tree disease is attacking Swedish Columnar Aspens (Tower Poplars) in Whitemud Hills and other areas where these tall skinny trees have been widely used in recent years. This disease came from Manitoba, and at first was only seen in new saplings, but it is now spreading to the 15 to 20 year old trees. (The leaves of a branch will turn red, when the rest of the tree is green, and when one examines the red leaves one can see that the veins are still green). The red leaves will not drop off with the healthy leaves in the fall if they have the disease. To check the trees for tell-tale signs see the link below.