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Plant Health Care Services

The symptoms are usually minor at first. You see a single dying branch on a beloved tree. A few weeks later, you notice the tree is shedding its leaves far earlier than it should. The following spring, the tree fails to leaf out at all. So, you contact an arborist for help, but by then it’s too late. The tree has become hazardous and must be removed.

Losing a tree is always unfortunate, but it’s especially tragic to lose one that could have been saved with timely treatment. That’s exactly what our Plant Health Care (PHC) services are designed to do — provide the support your trees need to remain vigorous while eliminating some of the pests and pathogens that may cause them to decline.

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What Is Plant Health Care?

Plant Health Care is an umbrella term that refers to a variety of treatments and supportive techniques designed to support plant health.

Some of these services can help eliminate insect infestations, cure bacterial infections, or keep fungal organisms at bay. Others work in preventive fashion and help shield your trees from potential threats, and some are intended to support overall tree health and give them the best chance of repelling pests and pathogens before they strike.

But most importantly, PHC provides arborists with a toolbox of options for keeping your trees — and the surrounding landscape — healthy. The important thing is that you get your trees this support promptly, so you can keep enjoying them for years.

The Value of Professional Plant Health Care

A Holistic Approach to Tree Health

While there are a few insects and diseases that can kill trees outright, most declining trees are battling multiple stressors.

A wood-rotting fungus may have colonized an old string trimmer wound near the root collar, while years of drought have left the tree deprived of sufficient soil moisture. This water stress may even have left the tree vulnerable to harmful boring insect infestations.

A single treatment is unlikely to prove helpful in these kinds of situations. That’s why modern Plant Health Care relies heavily on Integrated Pest Management (IPM) — an approach that considers the full range of biological, environmental, and site-related stressors affecting a tree before recommending treatment.

This kind of holistic approach can be especially helpful for supporting currently healthy trees and sometimes even saving those already in decline.

Eco-Friendly Plant Health Care

Many homeowners and property managers are eager to get their trees the support or care they require, but they’re concerned that the treatments and techniques an arborist employs may harm pollinators and beneficial insects, nearby plants, and the surrounding ecosystem as a whole.

You don’t have to worry about that when you rely on the Plant Health Care experts at Longtree Tree Service. We are dedicated to using materials and techniques that are environmentally friendly. By relying on targeted treatments and always focusing on sustainability, we can help care for your trees and the surrounding landscape.

Common Plant Health Care Services in Southeast Michigan

Southeast Michigan trees face a specific set of threats. Heavy clay soils, wet springs, dry summers, and cold winters put real stress on the trees in your yard. Here are the PHC services we offer most often in this region.

EAB has killed hundreds of millions of ash trees across North America, and it's still active throughout Michigan. If you have ash trees on your property, a preventative treatment program is the single most effective step you can take to protect your trees. We use soil drenches and trunk injections to protect ash trees before the beetle gets a foothold.

EAB is not the only insect that threatens Michigan’s trees. Japanese beetles, bagworms, scale insects, and several boring beetles can also cause serious damage to ornamental and shade trees across the region. We use targeted treatments to knock back active infestations and preventative programs to protect trees before populations get out of hand.

Oak wilt is one of the most destructive tree diseases in Michigan. Red oaks are especially vulnerable and can die within weeks of infection. We treat affected trees with fungicide injections and offer root pruning services to help prevent the disease from spreading to healthy oaks through root grafts.

Spotted lanternfly has been moving steadily into Michigan and poses a real threat to fruit trees, maples, and other species. We monitor for early signs of infestation and can apply treatments to protect high-value trees if the pest is detected on your property.

Apple scab, anthracnose, fire blight, and Diplodia tip blight are among the most common diseases we diagnose in Southeast Michigan. Treatment timing matters a lot with fungal diseases in particular, so early identification is key. We use fungicide programs and, where appropriate, pruning to remove infected tissue.

Compacted soil is one of the most common and overlooked problems affecting urban trees. When soil is too dense, roots can't access water, oxygen, or nutrients. Vertical mulching and air spading break up compacted soil around the root zone without damaging roots in the process.

Suburban trees don't have access to the nutrient cycling that keeps forest trees healthy. Deep root fertilization delivers a slow-release nutrient blend directly into the root zone, bypassing the compacted surface layer and giving trees what they need through the growing season.

Mycorrhizal fungi form a symbiotic relationship with tree roots and dramatically increase their ability to absorb water and nutrients. Newly planted trees and trees in disturbed soils may lack these fungi entirely. We apply mycorrhizal inoculants directly to the root zone to help trees remain healthy over the long-term.

Broadleaf evergreens like holly, rhododendron, and boxwood are prone to winter burn in Michigan, where dry, cold winds pull moisture out of leaves faster than frozen roots can replace it. Anti-desiccant sprays applied in late fall create a protective coating that reduces moisture loss through the winter months.

Applied in late winter before buds break, dormant oil smothers overwintering eggs and insects on the bark and branches of trees and shrubs. It's a low-impact treatment that can significantly reduce pest pressure and prevent the associated damage they cause before the growing season even starts.

Trees planted too deeply, or those that have accumulated soil and mulch around their base over the years, often develop girdling roots that slowly strangle the trunk. Root collar excavation removes that excess material, exposes the root flare, and corrects the grade around the tree before permanent damage sets in.

Growth regulators slow the above-ground growth of a tree and redirect its energy toward the roots instead. The result is a denser, more extensive root system that makes trees more drought-tolerant and better equipped to fight off pests and disease. We commonly recommend growth regulator treatments to combat stress and reduce pruning requirements.

The Benefits of Plant Health Care

PHC treatments offer considerable value for residential, commercial, and municipal properties alike. A few of the most noteworthy benefits professional PHC provides include:

The Chance to Catch Problems Early

An arborist can spot the early signs of pest activity, disease, or stress long before symptoms become obvious to the untrained eye, giving treatments the best chance of success.

Save Trees That Would Otherwise Be Lost

Many trees that end up being removed could have been saved with timely intervention; PHC gives you the best shot at keeping them.

Reduce Long-Term Maintenance Costs

Healthy trees need less corrective pruning, fewer emergency visits, and are far less likely to require costly removal down the road.

Protect Your Entire Landscape

Many pests and diseases spread from tree to tree, and stopping an infestation early on one tree can prevent it from infecting the other trees on your property.

Increased Property
Value

Mature, healthy trees are a significant asset, and prospective buyers consistently rate good tree cover as one of the most desirable features of a residential property.

Support Local
Wildlife

Trees in good health produce more fruit, flowers, and dense canopy cover, which means more habitat and food sources for birds, pollinators, and other beneficial wildlife.

Improved Drought and Storm Resilience

Trees with deep, well-developed root systems are far better equipped to survive dry summers and high winds than trees already weakened by pests, disease, or soil problems.

Peace of
Mind

Knowing your trees are being monitored by a professional means you don't have to wonder whether that yellowing branch or flaking bark is something to worry about.

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Signs You May Need Our Plant Health Care Services

It’s never a bad idea to contact our team and have us evaluate your trees in person. After all, the best time to start supporting your trees’ overall health is before problems have occurred. However, it is especially wise to schedule an assessment if you notice any of the following signs or symptoms.

If your tree starts shedding leaves well before fall, or it fails to leaf out normally in spring, something is likely wrong. Both of these issues are common indicators of things like root stress, vascular disease, and serious pest infestations — all issues that warrant a professional assessment.

Leaves that are turning yellow or brown outside of their normal seasonal cycle often indicate the presence of nutrient deficiencies, soil problems, or fungal disease. The pattern of discoloration, whether it starts at the tips, the margins, or between the veins, can tell our Plant Health Care specialists a great deal about the underlying cause.

A single dead branch can be a minor issue, but multiple dying branches, especially on one side of the canopy, is usually a sign of a systemic problem. Oak wilt, vascular diseases, and certain boring insects all tend to kill branches in a recognizable pattern before affecting the rest of the tree.

Clusters of insects or egg masses on the bark or undersides of leaves are a clear sign that a pest population has taken hold. Catching an infestation at this stage, before the pest population explodes, gives any potential treatment a much higher chance of success.

Small holes in the bark, sawdust-like frass at the base of the tree, or S-shaped tunnels under the bark are all signs of wood-boring insects. Not all boring insects pose a significant threat to your trees, but emerald ash borers, bronze birch borers, and some others can kill trees quickly if left untreated.

Mushrooms or shelf fungi growing at the base of a tree or along the roots are often a sign that wood-decaying fungi have colonized the interior. Unfortunately, by the time these kinds of fruiting bodies appear, the decay is often already well-advanced.

Sunken, discolored patches of bark (cankers), deep cracks in the trunk, and sap oozing from the bark are all signs that can indicate bacterial or fungal infections. Some of these conditions are treatable if caught early, but they can cause trees to become hazardous if ignored.

A tree that seems to be producing fewer leaves each year, or putting on noticeably less new growth, is likely under significant stress. Gradual canopy thinning is one of the earliest signs of long-term decline, but it often responds well to a targeted PHC program.

Trees within or near a construction zone are frequently damaged in ways that aren't immediately visible, including soil compaction, root cutting, and grade changes. Symptoms can take two to five years to appear, so proactive PHC after any nearby construction is worth the investment.

The Longtree Tree Service PHC Process in Michigan

No two properties — or trees — are exactly alike. That’s why we tailor each job to suit your specific needs, while still following a proven process designed for safety, efficiency, and exceptional results:

1.

One of our Plant Health Care specialists will visit your property, assess the condition of your trees, and listen carefully to your concerns.

2.

We’ll then develop a customized PHC plan designed to help your trees while providing the safest and most effective solution for your landscape.

3.

Once you approve your customized plan, we’ll schedule a convenient service date and ensure the site is prepped for safe operations.

4.

Our experienced crew will carry out the work with care and precision, while protecting your surrounding property and minimizing disruptions.

5.

After completing the treatment, we’ll answer any questions you have and make sure you’re fully satisfied with the outcome.

Protect Your Property And Save Your Trees

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Providing PHC Services Across Southeast Michigan

Longtree Tree Service proudly serves communities across Michigan, offering professional Plant Health Care services tailored to the unique needs of our region. From minor insect infestations to deadly fungal attacks, our expert team is here to support the health and beauty of your trees.

Plant Health Care: FAQ

Plant Health Care is a complicated subject, which often causes homeowners and property managers to have questions. Here are a few of the most common ones we hear from our clients.

The best time to start a PHC program is before your trees show signs of distress. While we can often save trees already battling pests or disease, PHC is most effective as a preventative measure.

Sometimes! While some diseases like oak wilt move very quickly and others lack effective treatments entirely, many diseases can be treated with early intervention. Our PHC specialists use targeted treatments like fungicide injections, soil aeration, and growth regulators to help stressed trees recover their vigor and defend themselves against further damage.

Absolutely. We prioritize eco-friendly practices and use targeted treatments designed to eliminate specific pests or pathogens without harming pollinators, beneficial insects, or the surrounding ecosystem.

It’s never a bad idea to have your trees assessed by an ISA-certified arborist — whether they’re displaying symptoms or not. However, it is especially important to do so whenever you see things like leaf discoloration, visible holes in the trunk, mushrooms growing near the tree base, or thinning canopy branches.

In Southeast Michigan, heavy clay soils and construction often lead to soil compaction. When soil is too dense, tree roots cannot access the oxygen, water, and nutrients they need to survive. Services like soil aeration and deep root fertilization fix the environment under the ground so the tree can thrive above it.

Yes. The emerald ash borer (EAB) is still highly active throughout Michigan. Because EAB kills trees from the inside out, by the time you see visible damage, it is often too late to save the tree. Preventative trunk and soil injections are the only proven ways to protect ash trees from this infestation.

While it depends on the specific species on your property, a seasonal or annual assessment is ideal. Early detection is the key to reducing long-term maintenance costs and ensuring that minor issues don't turn into a hazardous situation requiring tree removal.

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Why Longtree Tree Service Is the Best Tree Care Company for All Of Your Southeast Michigan Tree Care Needs

Our team is here to help with your next tree project. From routine trimming to emergency removals or expert guidance from a certified arborist, we deliver transparent quotes and hassle-free estimates. Proudly serving all of Southeastern Michigan.

Call today for your free estimate and connect with our friendly team. Experience why Longtree Tree Service is trusted as one of the top tree companies—offering safety, professionalism, and personalized service on every job.

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