Arborist USA

Arborist USA Professional tree doctors specializing in diagnosis, pruning, plant healthcare, and safe removals. ISA certified Arborist - Henry Friar

ISA Certified Arborists serving North Texas with science-based care to protect and extend the life of your trees. Arborist USA is a leader in the tree disease and treating sick trees in Fort worth. We are also a leader in tree removal, tree trimming and total tree health and tree care. We offer homestead and commercial tree services. Your tree will be in good hand will arborist USA.

05/26/2026

682-204-4746
https://www.arboristusa.com/magnolia-tree-damage-westover-hills-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA. Today we’re in Westover Hills, Texas inspecting Magnolia trees suffering from environmental stress, root-zone decline, and canopy damage associated with oversaturated soils and compacted root systems.

During this inspection, we identified several contributing factors leading to decline:
• Waterlogged soil conditions
• Root-zone hypoxia
• Compacted clay around the root flare
• Reduced oxygen exchange
• Foliage stress and canopy thinning
• Declining root vigor

Magnolia trees are highly sensitive to excessive moisture retention around the root system. When oxygen levels collapse in compacted soils, feeder roots begin declining and the tree loses its ability to efficiently absorb nutrients and support healthy foliage production.

One of the most important concepts homeowners need to understand is this:

Trees do not just need water.

Trees also need oxygen.

When soils remain oversaturated for extended periods:
• Root respiration slows
• Nutrient uptake declines
• Carbohydrate production decreases
• Stress pathogens become more aggressive

Our recommendations focused on restoring proper root-zone function through plant healthcare, soil conditioning, drainage correction, micronutrients, and root flare management.

Healthy roots create healthy canopies.

05/26/2026

682-204-4746
https://www.arboristusa.com/seiridium-canker-italian-cypress-westover-village-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA. Today we’re in Westover Village, Texas diagnosing a row of Italian Cypress (Cupressus sempervirens) suffering from severe Seiridium canker, spider mite pressure, root-zone hypoxia, and environmental stress.

One of the most important things homeowners need to understand is this:

The fungus is usually NOT the original problem.

The stress is the original problem.

During our inspection, we identified:
• Heavy spider mite pressure
• Browning canopy sections
• Necrotic foliage
• Progressive defoliation
• Sparse interior canopy
• Severe compacted clay soil around the root flare

That compacted soil was trapping moisture and reducing oxygen exchange around the root system. Once roots become oxygen deprived, Italian Cypress begin declining internally.

Conifers transport water through structures called tracheids, which are highly sensitive to stagnant moisture and oversaturated soils. Once root-zone hypoxia develops:
• Nutrient uptake declines
• Root respiration slows
• Carbohydrate production drops
• Fungal pathogens become aggressive

This creates the perfect environment for Seiridium canker.

Our treatment protocol included:
• Air spade soil remediation
• Root-zone oxygen restoration
• Bifenthrin applications for spider mites
• Phospho-Jet micro injections
• Chelated iron applications
• Micronutrient support
• Antifungal treatments

This is true plant healthcare — diagnosing the environmental trigger first, then rebuilding the tree’s ability to defend itself.

05/09/2026

682-204-4746
https://www.arboristusa.com/waterlogged-tree-roots-arlington-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA. Today we’re in Arlington diagnosing a mature Red Oak tree (Quercus shumardii) suffering from severe root hypoxia, waterlogging, basal decay, and bacterial leaf scorch caused by improper drainage and chronic oversaturation.

This property sits at the bottom of a neighborhood slope where stormwater runoff continuously floods the front yard. During inspection, the soil profile was heavily saturated and oxygen deprived.

We observed:
• Moss colonization covering nearly 75% of the root flare
• Basal root rot at the lower trunk
• Decaying protruding root systems
• Severe canopy wilt
• Premature foliage decline
• Bacterial leaf scorch symptoms throughout the crown

Tree roots require BOTH water and oxygen. When soils remain oversaturated for extended periods, oxygen levels collapse and roots begin suffocating. This condition is called root-zone hypoxia.

Once the root system becomes stressed:
• Nutrient uptake declines
• Carbohydrate production drops
• Root decay increases
• Secondary bacterial pathogens attack weakened tissue

Approximately 75% of this canopy is already showing wilt and necrosis, and we are only in early May. Premature foliage loss before summer can severely deplete carbohydrate reserves and place the tree into physiological shock.

Our recommendations include:
• Drainage correction
• Redirecting stormwater away from the root zone
• Plant healthcare treatments
• Carbohydrate supplementation
• Antibacterial support
• Micronutrients
• Soil biology enhancement

Healthy trees begin with healthy roots — and healthy roots require oxygen.

05/06/2026

682-204-4746
https://www.arboristusa.com/emerald-ash-borer-treatment-bedford-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA. Today we’re in Bedford performing ANSI A300 structural pruning on a massive mature Texas Ash tree (Fraxinus texensis) suffering from severe freeze-related dieback following the 2021 Texas winter storm.

This tree still has strong structural unions and preservation potential, but it is also under increasing stress from Emerald Ash Borer pressure, deadwood accumulation, and long-term vascular decline.

Emerald Ash Borer larvae tunnel beneath the bark and destroy the phloem and cambial layer responsible for transporting water, nutrients, and carbohydrates throughout the tree. Over time, this leads to canopy thinning, scaffold branch dieback, epicormic sprouting, and eventual structural decline.

Our mitigation plan includes:
• Crown cleaning
• Structural reduction
• Crown raising
• Deadwood removal
• Load reduction
• Plant healthcare treatments
• High-nitrogen fertilization
• NutriRoot root stimulation
• Long-term monitoring for Emerald Ash Borer activity

This is science-based arboriculture focused on preservation, risk reduction, and restoring canopy density whenever possible.

05/06/2026

682-204-4746
https://www.arboristusa.com/construction-tree-damage-westlake-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA. Today we’re in Westlake inspecting severe construction-related tree decline on a newly developed residential property.

Approximately 17 native trees have declined or become postmortem due to improper construction practices around the root systems.

During this inspection, we identified:
• Soil grading that buried root systems by nearly 12 inches
• Grass installed directly against the trunk creating the “telephone pole effect”
• Irrigation spraying directly onto the bark
• Electrical infrastructure installed inside the critical root zone
• Severe soil compaction from construction traffic

These conditions lead to root-zone hypoxia, where roots cannot respirate because oxygen levels in the soil collapse.

The affected species included:
• Red Mountain Cedar (Juniperus spp.)
• Savannah Post Oak (Quercus stellata var. margarettae)
• American Elm (Ulmus americana)

The Savannah Post Oaks are now showing Hypoxylon canker, which is typically a secondary fungal pathogen attacking trees already under severe stress.

This is why tree preservation planning BEFORE construction is critically important. Once mature root systems are buried, compacted, and deprived of oxygen, decline can accelerate rapidly even on native North Texas species.

Proper arborist involvement before construction can help prevent:
• Root suffocation
• Soil compaction
• Waterlogging
• Structural instability
• Long-term canopy decline

Healthy trees start with healthy root systems and proper soil oxygenation.

05/05/2026

682-204-4746
https://www.arboristusa.com/diplodia-tip-blight-treatment-westlake-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA. We’re here in Westlake diagnosing Diplodia tip blight on junipers, pine trees, cypress, and evergreen species.

What most homeowners see is browning tips and thinning foliage. But the REAL issue is often underground.

On this property, we identified compacted clay soil surrounding the root flare. That compacted soil was trapping excessive moisture and reducing oxygen exchange in the root zone. When evergreen roots cannot respirate properly, they become highly vulnerable to Diplodia fungal infections, spider mites, chlorosis, and progressive canopy decline.

Conifers process water differently than hardwood trees because they rely heavily on tracheids instead of large vascular vessels. That means oversaturated compacted clay soils can stress these trees extremely fast.

Our treatment protocol included:
• Air spade soil decompaction
• Root-zone oxygen restoration
• Chelated iron applications
• Antifungal treatments
• IPM for spider mites
• Micronutrients for canopy recovery

This is true plant healthcare — correcting the stress environment, not just spraying the symptom.

05/04/2026

682-204-4746
https://www.arboristusa.com/air-spading-mansfield-texas-anthracnose/

Hello Community, this is Henry Friar, ISA Certified Arborist with Arborist USA.

We’re out here in Mansfield, Texas addressing a tree that was struggling with anthracnose, and here’s the key takeaway—the fungus wasn’t the real problem, the root system was.

This tree was sitting in compacted, waterlogged soil. That creates a condition called root-zone hypoxia, where oxygen is displaced and the roots can’t respirate properly. When that happens, the tree loses its ability to absorb nutrients, and even systemic treatments stop working.

That’s why the canopy was thinning, leaves were dropping, and the anthracnose kept coming back.

Instead of continuing to treat the symptom, we used an air spade to remove the compacted soil and restore oxygen flow to the root system. Once we corrected the soil:

* Root function came back online
* Nutrient uptake improved
* Systemic treatments started working again
* Anthracnose stopped progressing

According to ISA, TCIA, and Texas A&M, most canopy diseases are actually a secondary response to stress below ground. If you don’t fix the soil, you’re just chasing symptoms.

This is what we’re seeing all across Mansfield and North Texas—heavy clay soils holding water, creating stress, and opening the door for disease.

If your tree isn’t responding to treatments, there’s a good chance the problem is below ground.

Don’t guess—diagnose it right the first time.

04/16/2026

682-204-4746
https://www.arboristusa.com/diplodia-tip-blight-junipers-little-elm-texas/

Hello Community, this is Henry Friar, ISA Certified Arborist with Arborist USA.

We’re seeing a widespread issue across Little Elm, Texas right now with junipers and red mountain cedars showing yellowing, browning, and tip dieback. After evaluation, this is consistent with Diplodia tip blight and twig canker, often combined with spider mite pressure.

This is not just a cosmetic issue. Diplodia is a fungal pathogen that attacks the vascular system of the tree, while spider mites reduce the tree’s ability to photosynthesize. When both are present, the tree is losing energy production and internal transport at the same time, which accelerates decline.

The key to managing this is early intervention. Once the canopy is heavily affected, there is no true cure. However, if caught early, we can slow progression by removing necrotic tissue, applying antifungal treatments, controlling pest pressure through an IPM program, and rebuilding tree vigor with micronutrients.

If you’re noticing your evergreens thinning out or turning brown, don’t wait—this condition spreads quickly once established.





04/09/2026

682-204-4746
https://www.arboristusa.com/oak-wilt-management-texas-ranch-live-oak-bluffdale/

Hello Community, this is Henry Friar, ISA Certified Arborist with Arborist USA.

We’re out here in Bluffdale, Texas on a working cattle ranch, and what you’re seeing is a heavy oak wilt footprint. Multiple neighboring properties have already lost trees, and once this disease gets established, it spreads fast—especially through root graft systems in live oaks.

Oak wilt is a vascular fungus that blocks water movement in the tree, causing rapid canopy decline and death. On ranch properties, this is a major issue because you’re not just losing trees—you’re losing critical shade for livestock.

The key to managing oak wilt comes down to three things: removal of infected trees, trenching to stop underground spread, and low-volume macro infusions using Alamo propiconazole to protect healthy trees.

This is not something you wait on. Early intervention is the difference between saving your canopy or losing entire stands of live oaks.





03/24/2026

682-204-4746

Full breakdown here:
https://www.arboristusa.com/tree-risk-assessment-granbury-texas/

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA here in Granbury, Texas.

Today we’re talking about something most property owners overlook until it’s too late… Tree Risk Assessment.

Not every tree that looks “green” is safe. Many trees in North Texas are carrying hidden structural defects, internal decay, root failure, or storm-related damage that can lead to catastrophic failure.

Under ISA Tree Risk Assessment (TRAQ) standards, we evaluate three critical factors:
• Likelihood of failure
• Likelihood of impact
• Consequences of failure 

This is how we determine whether a tree is:
• Low risk and can be preserved
• Moderate risk and needs mitigation (pruning, cabling, PHC)
• High risk and requires removal before it causes damage

In areas like Granbury, Texas where we have:
• Expansive clay soils
• Drought and flood cycles
• High winds and storms

Tree structure becomes even more critical. Many failures we see are not random… they are predictable when properly evaluated by an ISA Certified Arborist. 

A proper tree risk assessment helps protect:
• Your home
• Your fence
• Your vehicles
• Your family

And at the same time, it helps us preserve trees that are still structurally sound instead of removing them unnecessarily. 

If you’ve got large trees near structures, over driveways, or high-traffic areas… this is not something to guess on.

Full breakdown here:
https://www.arboristusa.com/tree-risk-assessment-granbury-texas/

Granbury homeowners — this is how you stay ahead of liability, not react to it after the damage is done.






HazardTrees
TreeSafety
ISACertifiedArborist
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TreeStructure
TreeInspection
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PreventTreeDamage

03/24/2026

682-204-4746

https://www.arboristusa.com/cottonwood-borer-granbury-texas/

Granbury, Texas

Hello Community, I’m Henry Friar, ISA Certified Arborist with Arborist USA.

Let’s talk about a serious issue we’re seeing here in Granbury and throughout North Texas—cottonwood borer infestations.

Cottonwood borers are wood-boring insects that target stressed trees, especially cottonwoods growing near river systems and high-moisture environments. These insects lay eggs along the lower trunk, and once the larvae hatch, they begin tunneling into the wood, disrupting structural integrity and vascular function.

From a diagnostic standpoint, here’s what we look for:

Large basal wounds at the trunk
Protruding or irregular bark patterns
Evidence of internal tunneling
Progressive canopy decline over time

The challenge with cottonwood borers is that damage is often happening internally before major symptoms show above ground. Over time, this can lead to structural weakening and increased failure potential, especially during high wind events.

The key is early intervention and a structured IPM (Integrated Pest Management) program.

Our treatment approach includes:

Systemic insecticides such as imidacloprid and dinotefuran
Contact protection using bifenthrin
Targeted basal bark applications
Soil treatments to support uptake and long-term protection

In high-pressure environments like river corridors, one treatment is not enough. These trees require multiple treatment cycles to reduce reinfestation and stabilize long-term health.

For a full breakdown of diagnosis, lifecycle, and treatment strategy, visit:
https://www.arboristusa.com/cottonwood-borer-granbury-texas/

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6800 Winifred Drive
Fort Worth, TX
76133

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