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5 Reasons Why Limbs Die in Otherwise Healthy Trees

Elevated Tree Care • 21 November 2024
A man is climbing a tree with a chainsaw.

Even in a healthy tree, it’s not uncommon for a limb or branch to suddenly die. While this can seem perplexing, dead limbs are often a sign that something is affecting the tree’s health in a specific area. At Elevated Tree Care, our local arborists can expertly identify and address dead limbs. Here’s a look at five common reasons why limbs die in otherwise healthy trees.


Lack of Sunlight

One of the most common reasons limbs die is due to inadequate sunlight. In densely grown trees, lower branches may be shaded by the upper canopy, limiting the light that reaches them. When a branch isn’t receiving enough sunlight to support its growth, the tree may naturally cut off resources to it, causing it to die back.


Nutrient Allocation

Trees naturally allocate their nutrients to prioritize growth in certain areas. When certain branches become less efficient at receiving resources, the tree might redirect its energy to more productive limbs. This can lead to the death of older or lower branches. 


Pest Infestations

Insects and other pests often target specific branches, particularly if they detect weaknesses. Beetles, borers, and other pests can burrow into branches, disrupting the flow of nutrients. Over time, this damage can cause the affected limb to die. 


Diseases and Fungal Infections

Tree limbs can be affected by diseases such as cankers or fungal infections, which typically begin in a localized area and spread to the surrounding wood. These infections can weaken or kill off entire branches. This deadwood generally requires professional removal.


Weather Damage

Extreme weather conditions—such as freezing temperatures, high winds, or heavy snowfall—can damage branches. In cases of frost damage, branches may not show signs of stress until much later, as the cold weather damages tissues that eventually die off. Also, branches that experience stress from wind or snow load may develop cracks that compromise their structural integrity, causing them to eventually die. 


Tree Care in Pittsburgh, PA

When you need an experienced arborist in Pittsburgh and the surrounding area, contact Elevated Tree Care at  412.695.3545. Feel free to give us a call to ask for an arborist estimate in Pittsburgh!

by Elevated Tree Care 28 December 2024
Tree infestations caused by insects or other pests can threaten the health and safety of your trees. Early detection and proper treatment are crucial for minimizing damage and restoring your tree’s health. At Elevated Tree Care, we can identify infested trees, and then determine the appropriate course of action for addressing the issue. Here are five common methods used to treat tree infestations effectively. Insecticidal Sprays Insecticidal sprays are a widely used method for controlling tree pests. These sprays are applied directly to the tree and its foliage, targeting pests such as aphids and beetles. Some insecticides are designed to work on contact, while others are absorbed by the tree and act systemically. Pruning and Removal of Affected Areas Pruning is an essential part of treating infestations, especially when pests have localized to specific branches or sections of the tree. Removing infected or damaged areas can prevent the pests from spreading further. Proper pruning techniques also promote healthy regrowth and reduce stress on the tree. In some cases, heavily infested trees may need to be removed entirely to protect nearby plants and prevent the infestation from spreading. Systemic Injections For severe infestations or hard-to-reach pests, systemic injections are sometimes the solution. This method involves injecting a pesticide or treatment directly into the tree's vascular system, allowing the chemicals to travel throughout the tree. Systemic injections are particularly effective against pests like emerald ash borers. Biological Controls Biological controls use natural predators or beneficial organisms to combat tree pests. For example, introducing ladybugs can help reduce aphid populations, while nematodes can target pests in the soil. Biological controls are an environmentally friendly approach, as they minimize the use of chemicals and maintain ecological balance. Soil Treatments Healthy soil plays a vital role in a tree's ability to resist and recover from infestations. Soil treatments, such as applying fertilizers or soil-applied pesticides, can help strengthen the tree’s root system and overall health. This method is particularly effective against pests that target roots or live in the soil. Tree Care in Pittsburgh, PA When you need tree care in Pittsburgh and the surrounding area, contact Elevated Tree Care at  412.695.3545  . Feel free to give us a call to request an arborist estimate in Pittsburgh!
Two men are standing next to each other in front of a house.
by Elevated Tree Care 8 October 2024
Selecting the right trees to plant in your yard can have a lasting impact on the beauty, functionality, and environmental health of your property. At Elevated Tree Care, our ISA Certified Arborists understand the importance of making informed decisions when it comes to tree planting in Pittsburgh. Whether you’re aiming for shade, aesthetics, or environmental benefits, here are some key factors to consider when choosing trees for your yard. Consider Your Climate and Soil One of the most important aspects of choosing the right tree is understanding your local climate and soil conditions. In Pittsburgh, we experience all four seasons, so it’s important to select trees that can withstand both hot summers and cold winters. Native species, such as oak, maple, or dogwood, are well-suited to the local environment and generally require less water and maintenance. Soil type also plays a role—some trees thrive in well-draining soil, while others may prefer moist or clay-rich soil. Think About Space and Size When selecting trees for your yard, it’s crucial to consider how much space you have and how large the tree will grow over time. Some trees can grow over 50 feet tall and have wide, sprawling roots, which may interfere with nearby structures, sidewalks, or power lines. Smaller ornamental trees, like Japanese maple or flowering cherry, are ideal for smaller yards or areas where height is restricted. Make sure to plan for the tree’s mature size, both above and below ground. Purpose and Functionality Consider the purpose you want your trees to serve. Are you looking for shade to cool your home, privacy to block out neighbors, or fruit-bearing trees for harvest? Shade trees, such as sycamore or beech, provide cooling benefits during hot summers, while evergreen trees, like pine or spruce, can offer year-round privacy. If aesthetics are your main goal, flowering trees like magnolia or redbud can add vibrant color to your landscape. Tree Maintenance Requirements Different trees have varying maintenance needs. While some require regular pruning and pest management, others are low-maintenance and resilient. It’s important to choose trees that match your willingness and ability to maintain them. Consulting with an arborist can help you determine which species best fit your lifestyle. At Elevated Tree Care, we offer expert tree planting services in Pittsburgh to help you choose and plant the perfect trees for your yard. If you’re looking for the perfect fit for your property, give our Pittsburgh arborists a call at  412.695.3545  to schedule a consultation . We look forward to helping you improve your yard with beautiful trees!
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