Everything we've published.
Ongoing writing on Colorado trees, seasonal conditions, pests and the urban forest — published under The Root.
What we're reading first

How Climate Change in Colorado Is Affecting the Urban Forest
Urban ForestColorado’s climate has always been challenging for trees. High elevation, dry air, intense sunlight, and temperature swings make it a tough environment.

Colorado’s Dry Summer Is Stressing Your Trees: What Front Range Homeowners Should Do Now
Seasonal CareLong stretches of heat and limited rainfall can put even established Colorado trees under significant stress. By late July, waiting for the next storm isn’t a tree-care strategy. Here’s how to recognize drought stress, water effectively, and help your trees make it through the rest of summer in better condition.

Spring Tree Care Checklist for Colorado Homeowners
Seasonal CareSpring in Colorado is when your trees are set up for success—or start down the path of decline. After a long winter of dry conditions, wind exposure, and temperature swings, your trees need more than just water…
Browse the Journal
Editorial writing — seasonal, observational and local. Evergreen how-to guidance lives in Tree Care, species detail in the tree and shrub libraries, and symptoms in the pest and disease resources.
34 entries
- 01

Colorado’s Dry Summer Is Stressing Your Trees: What Front Range Homeowners Should Do Now
Seasonal Care · July 27, 2026 · 5 min read
Long stretches of heat and limited rainfall can put even established Colorado trees under significant stress. By late July, waiting for the next storm isn’t a tree-care strategy. Here’s how to recognize drought stress, water effectively, and help your trees make it through the rest of summer in better condition.
- 02

Spring Tree Care Checklist for Colorado Homeowners
Seasonal Care · April 25, 2026 · 3 min read
Spring in Colorado is when your trees are set up for success—or start down the path of decline. After a long winter of dry conditions, wind exposure, and temperature swings, your trees need more than just water…
- 03

Biological Soil Inoculation
Soil & Roots · February 22, 2026 · 3 min read
Most tree care in Colorado focuses on watering, fertilization, and pruning—but one of the most powerful tools for improving tree health exists below ground.
- 04

The Amazing World of Galls: What They Are and What They Mean for Your Trees
Pests & Diseases · January 17, 2026 · 3 min read
If you’ve ever noticed strange bumps, balls, or growths on your tree leaves or branches, you’ve likely encountered one of nature’s most fascinating phenomena: Galls. While they can look alarming…
- 05

Understanding Winter Desiccation & Freeze Damage in Colorado Trees
Seasonal Care · December 11, 2025 · 4 min read
Learn what winter desiccation is, how cold, dry conditions damage trees, and practical steps to protect evergreens and other trees from winter moisture loss.
- 06

Why Winter Watering Is Critical for Tree Health
Seasonal Care · December 8, 2025 · 3 min read
Colorado winters look dormant, but trees are still active below ground. One often-overlooked tip: remember to water trees during winter.
- 07

How Climate Change in Colorado Is Affecting the Urban Forest
Urban Forest · December 4, 2025 · 5 min read
Colorado’s climate has always been challenging for trees. High elevation, dry air, intense sunlight, and temperature swings make it a tough environment.
- 08

How Road Salts Can Damage Your Trees
Tree Health · November 19, 2025 · 5 min read
Why do trees closest to the street look stressed, discolored, or dying? In many cases, road salts are the hidden cause of this ongoing issue Coloradans face.
- 09

Understanding Co-Dominant Unions
Pruning · November 4, 2025 · 5 min read
One of the most common structural defects in urban trees is something called co-dominant unions, and it plays a major role in why trees split or fail…
- 10

Why Bark Beetles Thrive on the Front Range
Pests & Diseases · November 3, 2025 · 4 min read
Bark beetles are native—so why do they cause so much damage now? Several environmental conditions have aligned to create ideal conditions for this pest.
- 11

The Importance of Pruning Your Trees
Pruning · October 26, 2025 · 3 min read
As an arborist, I often tell homeowners that tree pruning is one of the most valuable—and most misunderstood—forms of tree care.
- 12

The Best Trees to Plant in Colorado Yards
Planting · October 15, 2025 · 5 min read
Planting a tree in Colorado is an investment that can last generations. Whether it’s for shade, privacy, beauty, or to increase property value, the tree...
- 13

When Your Tree Might Be at Risk of Failing
Tree Health · October 1, 2025 · 5 min read
Trees are strong, resilient living structures. They withstand storms, wind, snow loads, and decades of growth. But like any living organism, trees can...
- 14

Understanding Spider Mites
Pests & Diseases · September 20, 2025 · 5 min read
If you’ve ever noticed dusty, bronzed foliage on a spruce, pale speckles on leaves, or extremely fine webbing between needles or under leaves, there’s a...
- 15

Soil Health & Organic Amendments: What Colorado Homeowners Need to Know
Soil & Roots · September 2, 2025 · 4 min read
The health of your soil is the foundation of the health of your trees. Pruning, proper planting, and essential watering are important, but soil health is vital.
- 16

Understanding Scale Insects in Colorado
Pests & Diseases · August 16, 2025 · 5 min read
When Colorado homeowners notice sticky leaves, black sooty mold, or patches of dying branches, they can assume it’s a fungus or lack of water. Scale insects...
- 17

Why Tree Topping Is Dangerous
Pruning · August 6, 2025 · 5 min read
Tree topping is one of the most harmful—and unfortunately most common—pruning mistakes we see in residential landscapes. Colorado homeowners often...
- 18

How Drought Stresses Trees Differently Than Heat
Seasonal Care · July 19, 2025 · 6 min read
It’s easy to think that drought and heat are the same kind of stress for trees. After all, both usually happen in summer, both cause leaves to wilt or brown...
- 19

Why Hiring a Professional Tree Care Company with Certified Arborists Matters
Tree Care · July 7, 2025 · 3 min read
Most homeowners call a tree service company when a tree becomes a problem—after a storm, when roots start lifting pavement, or when branches threaten the roof.
- 20

Dutch Elm Disease Back in Colorado
Pests & Diseases · June 30, 2025 · 5 min read
For many Colorado neighborhoods, mature elm trees are more than just landscaping—they are history. American elm and Siberian elm were widely planted...
- 21

Soil Compaction in New Construction Sites
Soil & Roots · June 22, 2025 · 6 min read
If you live in a recently built home—or are planning to plant a tree in a new development—you’ve probably noticed that landscape trees don’t always thrive...
- 22

Understanding Fire Blight
Pests & Diseases · June 3, 2025 · 5 min read
If you’ve ever seen a branch tip on your flowering pear or crabapple suddenly turn black and curl over like a hooked cane, you’ve likely seen fire blight...
- 23

Protecting Your Ash Trees in Colorado
Pests & Diseases · May 24, 2025 · 4 min read
As a Colorado arborist, I can tell you this with absolute confidence: If you have ash trees, it needs protection. Ash trees make up a huge portion of Colorado's…
- 24

Overwatering vs. Underwatering
Watering · May 19, 2025 · 5 min read
If your tree looks dry, wilted, or stressed, your first instinct is usually to grab the hose. But here’s the tricky part: the symptoms of overwatering and...
- 25

Colorado’s Front Range Pest Calendar
Pests & Diseases · May 8, 2025 · 5 min read
One of the most common questions I hear as a certified arborist is: “When do certain tree pests show up in Colorado?” In Colorado, timing matters...
- 26

A Closer Look Into Aphids
Pests & Diseases · April 30, 2025 · 6 min read
Throughout the Colorado Front Range—where our climate shifts quickly from cool, rainy springs to hot, dry summers—aphids are one of the most common insects…
- 27

Needle Cast in Spruce Trees — What Colorado Homeowners Should Know
Pests & Diseases · April 19, 2025 · 5 min read
Evergreen spruce trees — like Colorado blue spruce, white spruce, and other ornamental spruces — are among the most popular evergreens in Colorado landscaping.
- 28

Japanese Beetle Populations on the Rise in Colorado
Pests & Diseases · March 29, 2025 · 5 min read
In recent years, homeowners across the Front Range—from Fort Collins down through Denver & into Colorado Springs—have seen a sharp increase in Japanese beetles.
- 29

Iron Chlorosis in Colorado Trees
Soil & Roots · March 15, 2025 · 4 min read
Have you noticed your tree’s leaves turning yellow while the veins stay green, especially in spring? You’re likely seeing a condition called iron chlorosis.
- 30

How to Water Newly Planted Trees
Watering · February 22, 2025 · 4 min read
The first 3 years after planting are the most critical in a tree’s entire life. Even healthy nursery trees fail every year because of incorrect watering.
- 31

Understanding Plant Growth Regulators (PGRs)
Tree Health · February 6, 2025 · 4 min read
When most homeowners think about tree care, they think about pruning, watering, fertilizing, or managing pests. But there is another powerful tool...
- 32

Why Fertilizing Your Trees and Shrubs Matters in Colorado
Soil & Roots · February 2, 2025 · 3 min read
As a Colorado arborist, one of the most common questions I hear from homeowners is: “Do my trees really need to be fertilized?”…
- 33

Tree Value Assessments: Understanding the True Worth of Your Trees
Tree Health · January 18, 2025 · 4 min read
Most homeowners know their trees provide shade, beauty, & maybe a little extra curb appeal. But many don’t realize that trees also have real financial value...
- 34

Planting Trees for the Future Climate
Planting · January 8, 2025 · 5 min read
When most people choose a tree, they pick what looks beautiful today. But what makes a tree thrive today isn’t always what will help it survive in 50 years...
When you want a professional opinion
The Root exists to help you understand your landscape. When a tree needs hands-on evaluation, a Great Western arborist can look at it in person.
