Oct 26 • by Don Barnicott
Signs Your Tree Needs Professional Removal: An Arborist's Field Guide
Most homeowners assume a dying tree announces itself with dramatic, unmistakable warnings: bare branches, peeling bark, or a sudden loss of leaves. Over my years assessing residential canopies, I have found that some serious tree failures do not follow that script.
In fact, some dangerous trees can look vibrant and healthy from the curb. Knowing how to read subtle biological and structural signals can help you decide when to arrange an assessment. Here are warning signs that mean it is time to call an arborist to evaluate whether professional removal is needed.
Ground-Level Warning Signs Most People Overlook
The crown of the tree gets all the attention, but structural stability also depends on what is happening at the base and below ground. Looking around the trunk and root flare can help you spot changes that may need prompt attention.
Active Ground Heave and Soil Cracking
After a heavy rain or wind event, look around the base of the tree for newly mounded soil, cracked earth, or roots that appear to be lifting from the ground. These changes can indicate movement of the root plate and may point to an unstable tree. Keep clear of the area and contact an arborist promptly; if the tree appears to be moving or threatens people or structures, treat it as an emergency.
Bracket Fungi and Basal Conks
Shelf-like or woody fungal growths (often called conks or bracket fungi) on the root flare or lower trunk can be a sign of internal decay. They do not, by themselves, confirm how much sound wood remains or whether a tree must be removed, but they warrant an assessment by a qualified arborist.
The Deceptively Healthy Tree: A Case from the Field
A few seasons ago, I was called to inspect a large Red Oak towering over a two-story home. The homeowners loved the tree. Its canopy was thick, vibrant green, and full of vigor. They called after noticing a persistent trail of carpenter ants and sawdust-like material (frass) gathered in the bark furrows near the base.
I sounded the lower trunk and found areas that needed closer investigation. Further assessment indicated extensive internal decay, even though the canopy remained green. The tree's outer living tissues were still supporting leaves, while decay had compromised its structural wood. Given the tree's condition and the nearby home, we arranged a controlled removal.
Never rely solely on leaf color or canopy density to judge the safety of a mature tree. A tree can look alive while having significant internal decay that is not visible from the outside.
Structural Defects: Tight V-Crotches and Included Bark
Not every hazard comes from decay or disease. Some failure points are related to a tree's natural architecture and how it has grown over time.
Why Codominant Stems Split
When a tree grows with two central leaders that split in a wide, gentle "U" shape, the union is often stronger than a narrow, sharp "V" crotch. The narrow union may develop included bark, where bark becomes trapped between the stems instead of strong wood forming across the union.
As both stems grow, an included-bark union can become a weak point. Cracks, seams, or separation at the union may indicate elevated risk, particularly when the stems extend over a home or other targets.
When to Cable vs. When to Remove
Clients frequently ask me if supplemental support systems, such as cables and rods, can help preserve these trees. The right recommendation depends on an in-person assessment of the tree, the union, and what is within reach of a potential failure.
- Possible candidates for cabling: Trees with a structural weakness that an arborist determines can be managed with supplemental support, considering the tree's condition, union, and site.
- When removal may be recommended: Trees with an active crack, significant decay, or severe structural weakness where failure could cause serious damage or injury. Support systems are not a substitute for addressing a tree that an assessment finds unsafe.
Root Zone Damage: Construction and Soil Grade Changes
A tree's root system does not mirror its canopy underground. Many important roots are relatively shallow and can extend well beyond the dripline, so work near a tree may affect roots even when it does not seem close to the trunk.
Residential improvements can damage roots and affect a tree's stability or health, sometimes with symptoms that appear well after the work is complete.
Trenching and Cut Roots
Installing irrigation, laying cables, or excavating for a patio near a tree can sever roots. The effect depends on factors such as the roots' size and location, the tree species and condition, and the soil and site. If roots were cut close to a tree or the tree has begun to lean or decline since nearby work, arrange an assessment.
Smothering the Root Flare
Adding soil or piling heavy mulch against the trunk can harm the root flare and alter conditions around the roots. Keep the flare visible and mulch spread around the root zone rather than piled against the trunk. If grade changes or fill were added around a mature tree, ask an arborist to assess it.
The High-Target Rule: When Preservation Becomes Negligence
Tree risk assessment considers both the likelihood of failure and the consequences if failure occurs. A tree in an open area may present a different level of risk than a similar tree within striking distance of a home, a play area, a neighbour's property, or utility lines.
When an assessment identifies structural concerns such as advanced decay, root-plate movement, or deep stem cracks, drastic topping or aggressive canopy reduction is not a substitute for addressing the underlying hazard and can create additional problems.
Preserving trees is often possible, but safety and property protection matter. If your tree shows structural or root-level warning signs, do not wait for a storm to test it. Schedule an evaluation with a qualified arborist who can assess the tree and recommend appropriate next steps.
If you have concerns about a tree on your property, contact us to request an assessment.
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Feb 18 • by Don Barnicott
A Simple Guide to Pruning for Better Landscape Care
Pruning is one of the most misunderstood parts of tree care. Done well, it improves a tree's structure, health, and appearance for years to come. Done poorly — or at the wrong time of year — it can stress a tree, invite disease, and shorten its life. Here's what every property owner should know before reaching for the loppers.
Why pruning matters
Pruning removes deadwood and weak or crossing branches before they become hazards, improves airflow and light penetration through the canopy, and encourages stronger, more balanced growth. For young trees, structural pruning in the early years sets the framework for a healthy mature shape and can prevent costly corrective work later on.
Timing matters more than most people think
For most deciduous trees, the best time for structural pruning is during dormancy in late winter, before buds break in spring. Cuts made while a tree is dormant heal faster once growth resumes, and it's easier to see the branch structure without leaves in the way. Flowering trees and shrubs are the exception — they're best pruned right after they finish blooming, so you don't accidentally cut off next year's flower buds. Heavy pruning in late summer or early fall is generally discouraged, since it can stimulate a flush of tender new growth that won't have time to harden off before winter.
Technique matters as much as timing
A good pruning cut is made just outside the branch collar — the slightly swollen area where a branch meets the trunk — not flush against the trunk and not leaving a long stub. For larger limbs, arborists use a three-cut method (an undercut, a top cut further out, then a final clean cut at the collar) to remove the weight gradually and prevent the bark from tearing down the trunk as the branch falls. "Topping" a tree — indiscriminately cutting back main leaders to stubs — is not a recognized pruning practice; it creates weakly attached regrowth, decay pockets, and long-term structural problems.
When to call in a professional
Small, low ornamental pruning is reasonable for a confident homeowner with the right tools. Anything involving a ladder, a chainsaw, work near power lines, or limbs of significant size is a job for a trained crew. Our ISA Certified Arborists follow recognized ANSI A300 pruning standards, so every cut is made with the tree's long-term health in mind, not just this season's appearance.
If you're not sure whether your trees need pruning this season, we're happy to take a look and give you an honest assessment — get in touch for a free estimate.
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Feb 17 • by Don Barnicott
The Value of Expert Tree Service for Urban Properties
Trees on urban and suburban lots have a much harder job than trees growing in a forest. They're expected to thrive in compacted soil, restricted root zones, and close proximity to foundations, driveways, fences, and overhead wires — often with little room for error. That's exactly why professional tree care pays off on residential and commercial properties across North Vancouver and the Lower Mainland.
Protecting what's already on your property
Mature trees add real value to a property: shade that reduces summer cooling costs, privacy screening, and the kind of established landscaping that's difficult to replace quickly. A tree that's declining, poorly pruned, or growing into a structure can just as easily become a liability. Regular assessment catches problems — root damage from nearby construction, included bark at weak branch unions, early signs of decay — while they're still manageable.
Working safely in tight spaces
Urban tree work often means rigging and lowering limbs piece by piece instead of felling a tree in one motion, protecting lawns, gardens, and hardscaping with mats and plywood, and coordinating around fences, sheds, and neighbouring properties. It also frequently means working near overhead utility lines, which is why utility-line clearance work should only ever be done by contractors with the proper utility arborist training and clearances, not general labour crews.
Permits and municipal tree bylaws
Many municipalities in the Lower Mainland regulate the removal of certain trees, particularly larger or protected species, and may require a permit or arborist report before work begins. An experienced local crew can help you understand what applies to your property before any cutting starts, which can save time, money, and headaches.
Insurance and accountability
Because urban tree work happens close to homes, vehicles, and neighbouring properties, liability coverage matters. Working with a fully insured, WorkSafeBC-registered company protects you if something unexpected happens during the job — something worth confirming before any crew starts work on your property.
Have a tree that's outgrown its space, or one you're not sure about? Request a free assessment and we'll give you a straightforward recommendation.
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Feb 15 • by Don Barnicott
Tree Cutting Solutions That Protect Your Landscape
"Tree cutting" covers a lot of ground — from a single hazardous limb to a full removal of a large, mature tree. The right approach depends on the tree, the site, and what's around it, and a good crew plans the job specifically to protect the landscape surrounding the work, not just the tree itself.
Matching the technique to the site
In open areas with a clear drop zone, a controlled directional fell is often the fastest and most efficient option. In tighter yards, close to structures, fences, or gardens, trees are typically taken down piece by piece — sectional dismantling, with each piece lowered by rope rather than dropped — to avoid damaging anything below. For particularly large or awkwardly positioned trees, crane-assisted removal can lift sections cleanly away from the site altogether.
Protecting what's underneath
Before cutting begins, an experienced crew will lay down plywood or protective mats over lawns, garden beds, and hardscaping in the drop or rigging zone, and plan rope and rigging points to keep loads away from anything that shouldn't be touched. Cleanup matters just as much as the cut itself — a proper job leaves the site as close to how it was found as possible, aside from the tree that's gone.
What happens to the stump and debris
Depending on your plans for the space, a stump can be ground down below grade so the area can be replanted or sodded over, or left in place if you'd prefer. Wood debris and chips are typically hauled away or can be left on-site as mulch, if that's useful for your garden beds.
Safety first, always
Tree cutting is inherently higher-risk work, which is why it should always be carried out by a WorkSafeBC-registered crew following proper risk assessment and safety protocols — particularly for trees that are leaning, structurally compromised, or close to structures and power lines.
Not sure what your tree needs — a trim, a partial removal, or a full take-down? Ask us for a free, no-obligation estimate.
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Feb 12 • by Don Barnicott
When Should You Book Residential Tree Services for Your Home?
Some tree work is urgent no matter the calendar — a cracked limb over the driveway doesn't wait for the "right" season. But for routine maintenance, timing your service call to the right time of year gets better results and often costs less than reactive work.
Late winter (Feb–March)
This is prime time for structural pruning on most deciduous trees, while they're still dormant and before spring growth begins. It's also a good window to book hazard assessments after winter storms, before spring winds test any weakened limbs further.
Spring and summer
Spring is a good time to watch for pest and disease issues as new growth emerges, and to plant new trees while conditions are mild. Through the drier summer months, keep an eye on newly planted or stressed trees for signs of drought stress, and avoid heavy pruning during hot stretches, since fresh cuts and high heat don't mix well.
Fall
Fall is the time to prepare for the Lower Mainland's wet, windy winter storm season — getting weak or overextended limbs assessed and removed before they become a problem in a November windstorm is far cheaper than emergency callouts after the fact.
Anytime: signs you shouldn't wait for
Regardless of season, book an assessment right away if you notice a tree leaning more than it used to, mushroom-like conks growing on the trunk or root flare (a sign of internal decay), significant dieback in the canopy, or root damage from recent nearby construction or excavation.
Not sure where your tree falls on that list? Request a free estimate and we'll help you figure out the right timing.
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Feb 11 • by Don Barnicott
Seasonal Tree Services Tips to Keep Trees Healthy and Strong
The Lower Mainland's wet winters and dry summers put a distinct rhythm on tree care. Here's a season-by-season guide to keeping trees healthy throughout the year.
Winter
With most trees dormant, winter is the best window for structural pruning and for inspecting trees after storms for cracked limbs, uprooted root plates, or other storm damage that needs prompt attention before the next system rolls through.
Spring
As new growth emerges, keep an eye out for early signs of pests or disease — discoloured leaves, unusual dieback, or insect activity are easiest to treat early. Refreshing mulch around the base of trees (kept a few inches back from the trunk itself) helps retain moisture and moderate soil temperature heading into summer.
Summer
Our drier summer months can stress newly planted or shallow-rooted trees. Deep, infrequent watering is generally better than light frequent watering, especially for trees planted in the last two to three years. Avoid major pruning during hot, dry stretches, since trees are less able to compartmentalize fresh wounds under heat stress.
Fall
Fall is the ideal time to plant new trees, since cooler temperatures and (usually) more rain let roots establish before summer stress returns. It's also the time to do a pre-winter hazard check — looking for weak unions, deadwood, and overextended limbs that could fail under the weight of an early snow or a fall windstorm.
A little attention each season goes a long way toward avoiding costly emergency work later. If it's been a while since your trees were looked at, reach out for a free assessment.
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