Cool, damp fall weather is when shelf fungus, also called bracket fungus or conks, becomes easy to spot on South Jersey trees. These firm, shelf-shaped growths on a trunk or at the base of a tree are not the problem themselves. They are the fruiting body of a fungus that has usually been breaking down wood inside the tree for years.
What matters is where they appear and how much sound wood is left. Conks low on the trunk or on the root flare can point to root and butt rot, which weakens the part of the tree holding everything else up. Conks higher up may mean decay in a single limb that can be pruned out. The only way to know is a hands-on look at the wood, the canopy, and the lean.
Knocking the fungus off does not fix anything, and many trees with conks stand safely for a long time. Others, especially large oaks and maples near homes and driveways, need a closer decision before winter wind arrives. Have you noticed any shelf-like growths on the trees around your property this fall?
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Real photo of bracket or shelf fungus on a trunk or root flare from a South Jersey job, ideally paired with a cross-section of a removed log showing internal decay. Avoid stock mushroom imagery.
Canva text suggestion: "Shelf Fungus Means Look Closer" or "The Decay You Can't See Matters Most"