For your safety, do not approach a lightning-struck tree on your property immediately after it’s been struck. A recent strike can create serious hazards, including ground-current electrocution risks and unstable branches that may fall without warning. Stay clear of the area and allow conditions to stabilize before approaching the tree.
Once it is safe to assess the situation, the next step is determining the extent of the tree’s damage. A lightning strike also does not automatically mean removal is necessary. Damage can range from superficial bark injuries to significant structural compromise, and the appropriate response depends on the tree’s condition and location.
Walnut Tree Service is a family-owned company equipped to assess and manage storm-damaged trees. In this guide, we’ll discuss immediate safety precautions, indicators of lightning damage, recovery considerations, and when professional tree removal is the safest option.
What Happens When Lightning Strikes a Tree?
When lightning strikes a tree, the electrical surge can travel through moisture beneath the bark, generating intense heat that rapidly converts moisture to steam. This sudden expansion can split bark and wood, sometimes causing damage that extends well beyond what is immediately visible. Visible signs may include stripped or split bark, exposed wood, scorched areas, broken branches, and sudden changes to the canopy. However, internal or structural damage may be less apparent, and a tree can look healthy at first even as problems develop over time.
Because lightning damage can compromise a tree’s stability in ways that are difficult to identify from the ground, never attempt to climb, cut, or physically inspect a damaged tree yourself. A professional assessment can identify potential hazards and help determine the safest next steps.
How Different Trees Respond to Lightning
Tree species can respond differently to a lightning strike based on factors such as bark characteristics, moisture content, root structure, and overall resilience. Some Massachusetts natives, including white oak, red oak, red maple, sugar maple, blackgum, and shagbark hickory, may recover after a lightning strike when damage is limited and the tree was healthy beforehand. However, no species is immune to serious lightning damage, so evaluate survival based on the individual tree rather than the species alone.
How Long Should You Watch a Lightning-Struck Tree?
We recommend a six-month observation period because some effects of a lightning strike may not become apparent immediately. During this time, monitor the tree for progressive canopy loss, dead or declining branches, fungal growth around the base, or changes that indicate worsening structural damage.
Our certified arborists can assess these developments and help determine whether continued monitoring, targeted trimming, or complete removal is the best course of action. With experienced tree professionals like us on your side, you can address storm damage safely and make informed decisions about your property.
When Does a Lightning-Struck Tree Need to Be Removed?
Tree removal may become necessary when lightning damage leaves a tree structurally unstable or creates an immediate hazard to people or property. Removal is especially important when a severely damaged tree stands close to a home or other structure, has major trunk splitting or structural failure, or has lost more than 50% of its crown. Large hanging limbs and other signs of instability also require prompt professional attention.
Never attempt to cut or remove a lightning-damaged tree yourself. Walnut Tree Service provides responsive emergency tree services and professional tree removal, using our experience to manage hazardous, storm-damaged trees quickly, safely, and cleanly.
Protect Your Property After a Lightning Strike
A lightning-struck tree may survive, but immediate safety and a professional evaluation should always come first. Follow recommended safety precautions after the event, then monitor the tree for signs of delayed damage as conditions change over the following months.
Walnut Tree Service provides year-round residential and commercial tree care throughout the Greater South Shore and Boston areas. Our experienced professionals can safely assess storm-damaged trees and perform complex removals when necessary.
If your property has a lightning-damaged or potentially hazardous tree, contact Walnut Tree Service today for a professional evaluation and a free estimate.