Cytospora Canker in Spruce Trees: What Traverse City Homeowners Should Know
Cytospora canker is a common problem affecting spruce trees in the Traverse City area. Colorado blue spruce, in particular, can develop this disease as trees become stressed by drought, environmental conditions, age, or other factors.
Here’s the result of a deadwood removal job we completed on this customer’s spruce tree in Williamsburg that unfortunately has Cytospora canker.
What Is Cytospora Canker?
Cytospora canker is a fungal disease that commonly affects spruce trees, especially mature Colorado blue spruce. It attacks branches and kills the tissue beneath the bark, causing branches to gradually turn brown and die.
The disease is more likely to affect spruce trees that are stressed by drought, poor growing conditions, age, or other environmental factors. Over time, Cytospora canker can cause significant canopy decline and may eventually require extensive pruning or tree removal.
Can Cytospora Canker Be Treated?
There is no cure that can eliminate Cytospora canker once a branch is infected. However, affected spruce trees can often be managed by pruning out infected and dead branches and improving the tree’s growing conditions.
Keeping the tree properly watered and reducing other sources of stress can help support its overall health. If the disease has progressed extensively and large portions of the canopy are dead, tree removal may be the safest and most appropriate option.
Cytospora Canker in Traverse City, MI
Spruce trees are a popular choice for Michigan landscapes, but they can experience a variety of health problems as they mature. Homeowners in Traverse City and surrounding communities may notice Cytospora canker as individual branches begin to turn brown and die while the rest of the tree remains green.
If you have a spruce showing signs of Cytospora canker, dead branches, or significant canopy decline, Gordon’s Tree & Shrub can help. We provide professional tree pruning, deadwood removal, and tree removal services throughout Traverse City and the surrounding Northern Michigan area.

