Articles
Tree Care Guidance from ISA-Certified Experts
In-depth articles on tree health, maintenance, and plant health care from the ISA Board Certified Master Arborists at Emerald Tree Care — serving Western Chicagoland since 2005.
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Tree MaintenanceTree Maintenance
Tree Pruning: The Science and Art of Proper Technique
Proper pruning follows defined biological principles — make the wrong cuts and you're creating entry points for disease. Here's what ANSI-standard pruning actually looks like and why it matters.
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Plant HealthPlant Health
Oak Wilt in Illinois: Early Detection and Prevention
Oak wilt is one of the most serious tree diseases in Illinois — it kills red oaks within weeks and can spread underground through root grafts. Early detection and proper management are critical.
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Tree SafetyTree Safety
7 Warning Signs Your Tree Needs a Professional Assessment
Trees don't fail without warning — but the signs are often subtle and easy to overlook. Here are seven indicators that a certified arborist should take a look at your tree before the next storm.
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Tree RemovalTree Removal
When Is It Time to Remove a Tree? A Homeowner's Guide
Tree removal is sometimes the right decision — but it's not always as obvious as it seems. Here's a framework for evaluating whether a tree should stay or go, and what the removal process looks like.
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ProfessionalProfessional
Why It Matters to Hire an ISA Certified Arborist
Anyone with a chainsaw can call themselves a "tree service" — but ISA certification is the standard that separates trained professionals from those who may cause more harm than good. Here's what it means and why it matters.
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From the library, still useful.
Root Collar Excavation: The Hidden Fix for Declining Trees
Many trees diagnosed as "stressed" or "dying" are actually suffering from buried root collars and girdling roots — a problem invisible from the surface that air excavation can fix.
Cabling & Bracing: When Your Tree Needs Structural Support
Co-dominant stems, included bark, and heavy overextended limbs are common failure points in mature trees. Supplemental support systems can preserve trees that would otherwise need removal.
Common Tree Pests in Chicagoland and How to Control Them
From the Emerald Ash Borer to scales and spider mites, Chicagoland trees face a range of insect threats. Here's how to identify the most common pests and what effective management looks like.
Tree Fertilization: When, Why, and How to Feed Your Trees
Most urban trees are growing in compromised soils that can't provide adequate nutrition on their own. Deep root fertilization addresses this deficit directly — here's how it works and when it's appropriate.
Fall Tree Care: Preparing Your Trees for a Chicagoland Winter
Fall is an ideal window for several tree care activities that are less effective at other times of year. Here's what to address before the ground freezes in Western Chicagoland.
Tree Disease Management: Identifying and Treating Common Illinois Tree Diseases
Illinois trees face a range of bacterial, fungal, and other diseases. Early identification changes the treatment window dramatically — here's a guide to the most common tree diseases in the region.
Ready to speak with a certified arborist?
Emerald Tree Care serves Schaumburg, Roselle, Barrington, Palatine, and communities throughout Western Chicagoland. Contact us to schedule an evaluation.
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