Why is the bark falling off my oak tree?

Why is the bark falling off my oak tree?

Bark is dead tissue. Stress from past droughts has led to the loss of many native trees such as post oaks and blackjack oaks. Hypoxylon canker is a disease that kills the wood just under the bark causing the bark to slough off, exposing the spore mats. Keeping trees stress-free prevents infection from this fungus.

Is a tree dead if the bark is falling off?

Trees that are dead or dying will begin to shed their bark, causing it to peel off. Peeling bark also indicates that the tree is not getting enough nutrients, so even if it’s not dead, it may be headed that way.

What do you do when bark falls off a tree?


  1. Carefully cut away the jagged bark using the chisel and hammer.
  2. Discard any torn bark and remove any loose bark surrounding the wound.
  3. Forest Keepers warns not to chisel into the wound, just around the edges.
  4. The growth of new bark over the wound is a good indicator the tree will recover.

How can you tell a bark from an oak tree?

To identify oak trees, look for bark that has deep fissures and ridges, giving it a scaly look. The bark color of oaks ranges from whitish-gray to dark, almost black. You can identify oak trees by their deeply lobed leaves with pointed or rounded tips.

How do you know if a tree is dying?

Check the trunk for peeling bark, cracks or splits. Look up into the canopy for hanging branches or missing leaves. Taken together, these signs point to a dead tree. If your tree failed the scratch test and you see one or more of these signs, call your arborist as soon as possible to look and remove it if necessary.

Can trees repair bark?

A tree responds to a wound but cannot heal it. If its bark is damaged, the tree responds by developing callused edges around the wound. That new growth around the wound acts as a protective barrier to keep decay and infection from spreading into new tissue.

Why do oak trees lose their bark?

Another possibility is that the trees have smooth patch disease. This fungus decomposes the outer bark of trees, particularly white oak, and causes it to slough off.

Why is bark peeling off oak tree?

Oak trees weakened by high temperatures, drought or root injury are susceptible to cankers caused by the fungus Hypoxylon atropuntatum. The bark on the trunk peels off in strips several yards long.

Why is my tree losing its bark?

A tree loses its bark for many reasons, and in most cases, it’s not an indication that anything is wrong. The most common cause of tree bark loss is that it is growing out of its skin, which must be shed to allow its trunk to enlarge. In other cases, tree bark may fall off due to insect infestation,…

What makes bark fall off a tree?

Bark falls off after frost, which usually happens on the tree’s south or southwest side. Any sudden swing in temperature can make trees shed bark and crack under stress. Bark falls off after excessive heat, which, like frost damage, strips bark down to the wood.