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Tree Care

Practical guidance on tree care for commercial properties in Calgary — written by the LECM crews who do this work every week.

12
articles
2
contributors
2021–2025
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Written by our tree care crew
Bradley & Jesse
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Featured Tree Care
Nov 3, 2025 2 min read

Why Elm Trees Should Only Be Pruned in Winter

Why Is Elm Pruning Different? Elm trees are an important part of Calgary’s urban forest.  In fact, they make up about 20% of the city’s tree canopy. But elms are vulnerable to Dutch elm disease, a deadly condition spread by the elm bark beetle. If elms are pruned at the wrong time, they can attract

Bradley Ward Tree Care Manager Read article

Latest in Tree Care

12 articles
tree pruning
Tree Care
Nov 3, 2025 2 min

Why Winter is the Best Time to Prune Your Trees

Is Winter Really the Right Time to Prune Trees?  When most people think about tree pruning, they imagine it happening in spring or summer when trees are green and full. But did you know that winter is actually the best time to prune trees in Calgary? Not only does winter pruning promote healthier growth and

Bradley Ward
david vig qwHHOC2z5Xs unsplash
Tree Care
Oct 9, 2025 2 min

Tree Risk Assessment For Your Commercial Property

Understanding Tree Risk Assessment A Tree Risk Assessment is a detailed inspection performed by a qualified tree risk assessor to evaluate the health, structure, and safety of your trees. At LECM, our ISA Certified Arborists use this process to identify potential hazards — such as weak branch attachments, decay, disease, or root damage — before

Bradley Ward
20230825 085605
Tree Care
Oct 9, 2025 1 min

The Value of ISA Certification

What It Means to Be an ISA Certified Arborist At LECM, we’re proud that our arborists hold certification from the International Society of Arboriculture (ISA) — the international standard for professionalism and technical expertise in tree care. An ISA Certified Arborist has demonstrated a deep understanding of the science of arboriculture through rigorous training, examination,

Bradley Ward
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Tree Care
May 30, 2025 2 min

June Storms & Tree Failures: What Calgary Property Managers Need to Know

In Calgary, June isn’t just the beginning of summer — it’s also peak storm season. With unpredictable weather patterns bringing heavy rains, high winds, and occasional hail, this time of year puts significant strain on the trees that line our commercial properties, pathways, and parking lots. As a commercial property manager or owner, understanding the

Bradley Ward
Tree Removal Condos
Tree Care
May 14, 2025 2 min

The Hidden Challenges of Large Tree Removals in Condo Complexes

Removing a large tree is never a simple task—but doing so within the tight quarters of a condo complex brings an entirely different level of complexity. As professional arborists, we’re often asked why tree removals in these settings take more time, planning, and coordination than those in open residential spaces. The short answer? Safety, access,

Bradley Ward
af black knot closeup
Tree Care
Jan 29, 2024 2 min

Identifying Black Knot

Have you ever looked at the trees on your property and noticed a brown/green/black swelling on the branches? If you have, you may be looking at the fungal disease which is called “Black Knot”. Black Knot (Apiosporina morbosa) can affect all varieties in the Prunus genus or better known as Cherry trees. Although you see

Bradley Ward
mulch is good for trees
Tree Care
Oct 25, 2023 2 min

How Mulch Can Really Help Your Trees Thrive

Is mulch the secret ingredient to healthy trees? It definitely helps. Mulch is a material that is primarily made of wood chips, but can contain a blend of other composted materials like grass clippings and leaves. People often perceive its use as strictly aesthetic, but it actually provides a number of benefits for a tree

Bradley Ward
why trees die in parking lots
Paving & Concrete Tree Care
Oct 25, 2023 3 min

Why Trees Die in Parking Lots and What You Can Do About It

In Calgary, parking lot trees are often a sorry sight and require replacement every few years. If that sounds expensive to you, you’re right. Why not take just a portion of that money to give your parking lot trees their best chance to thrive? Here is what we recommend: 1. Reverse the negative effects of

Bradley Ward
sixty second tree evaluation
Tree Care
Oct 16, 2023 2 min

How to Tell if a Tree is Healthy… in 60 Seconds

How to Tell if a Tree is Healthy… in 60 Seconds Trees add a tremendous amount of value to a property; aesthetically and environmentally, which directly impacts the resale value of a property. Nurturing your tree’s health so that it can live to a mature age is often a challenging task in the Prairie Provinces

Bradley Ward
water your trees in april
Tree Care
Apr 22, 2021 3 min

Trees Need Watering… in April

Trees are one of the most valuable and appealing features of any landscape. A little tree maintenance knowledge can go a long way in keeping a tree in peak health. Trees and shrubs in commercial landscapes, especially those in parking lots, need water at the beginning of the growth season for them to do their

Bradley Ward
mulch adding or top up
Tree Care
Mar 25, 2021 2 min

Why Adding Mulch is Your Best Low-Cost Plant Health Option

If we could recommend only one improvement for your tree, shrub, and plant spaces, it would be adding or topping up a mulch layer. There are so many benefits to adding mulch to tree, shrub, flower, and plant beds. And, it is one of the lowest cost options as well. Bonus! Here is what the mighty mulch does: Promotes

Jesse Pentland
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