Liriope’s Muse: Tree Care Tips from a Master Arborist

Deadwood is a natural and common part of nearly every mature tree. The term refers to branches, limbs, or sections of wood that are no longer living and are no longer supported by the tree’s vascular system. These branches may remain attached for months or even years before eventually breaking and falling.

Finding deadwood in a tree does not automatically mean the entire tree is dying. However, the amount, size, location, and pattern of dead branches can provide important information about the tree’s health, structure, and surrounding environment.

Where Does Deadwood Come From?

Trees naturally prioritize the branches that receive the most sunlight and provide the greatest benefit. Interior branches that become heavily shaded may no longer produce enough energy to justify the resources required to maintain them. The tree may gradually stop supporting these branches, causing them to die and become part of the natural deadwood found throughout the canopy.

Deadwood can also develop because of environmental stress. Drought, extreme heat, flooding, compacted soil, root damage, construction activity, lightning, and severe storms can all interfere with a tree’s ability to move water and nutrients throughout its canopy.

Physical damage may also create deadwood. A branch that is cracked, torn, improperly pruned, or partially separated during a storm may lose its connection to the tree’s living tissue. Insects and diseases can contribute as well, although the presence of dead branches alone is not enough to determine the exact cause.

Sometimes deadwood is simply the result of a tree’s age and normal growth. As trees mature, they continually adjust their structure, shedding smaller or less productive branches while investing energy into other areas of the canopy.

What Does Deadwood Mean for the Tree?

A small amount of scattered deadwood is often normal, particularly in large, mature trees. Concern increases when dead branches are unusually large, concentrated in one section of the canopy, appearing rapidly, or developing throughout the entire tree.

For example, dead branches located primarily on one side of a tree could indicate root damage, soil disturbance, reflected heat, restricted growing space, or changes in drainage. Widespread dieback near the ends of branches may suggest drought stress, root decline, or another issue affecting the tree’s ability to transport water.

Deadwood can also create a safety concern. As dead branches dry, decay, and lose strength, they become more likely to break. Branches located over homes, driveways, sidewalks, play areas, parking spaces, or other frequently occupied locations may require greater attention than deadwood growing over an unused area.

It is important to understand that removing deadwood can reduce the immediate hazard, but it does not necessarily correct the reason the branch died. Deadwood pruning addresses the symptom. A proper evaluation helps identify whether there is an underlying root, soil, structural, insect, disease, irrigation, or environmental problem that also needs to be addressed.

How an Arborist Can Help

An arborist can evaluate the size and distribution of deadwood, inspect the tree for structural defects, and look for patterns that may indicate a larger health concern. The surrounding soil, root flare, drainage, irrigation, pruning history, and recent construction activity should also be considered.

When appropriate, an arborist may recommend selective deadwood pruning. This generally involves removing dead branches above a specified size while preserving healthy living tissue and the tree’s natural structure. Not every small dead twig needs to be removed, and excessive pruning can create additional stress.

In some cases, the arborist may recommend further inspection, root-zone improvements, irrigation adjustments, soil care, insect management, or ongoing monitoring. If decay, cavities, cracks, or large dead limbs are present, a more detailed risk or aerial inspection may be necessary.

Deadwood is part of a tree’s story. Sometimes it reflects natural growth, and other times it is an early warning that the tree is responding to stress. Having the tree evaluated by a knowledgeable arborist can help determine the difference and ensure that any work performed protects both the tree and the people and property around it.

If you notice or suspect deadwood in your tree, contact us, and we can schedule an arborist to come out and assess your tree, free of charge!