Trees are valuable investments for property owners. They can be expensive to plant and nurture, but the benefits they provide to their surroundings are enormous. 

Trees support human health and well-being, clean pollutants from the air,...

Trees - The Bigger...The Better

Towering trees on your property are not only beautiful, they add to the value of your home. Nationwide, mature trees on well-maintained property that provide privacy can increase the property value by 7 to 19...

People love superlatives. 

We want to know which car is fastest, which athlete is strongest or which CEO is the richest, even though the results have very little bearing on our lives. And of course, who can forget the superlatives section...

Recently, we posted a quiz designed to test the tree knowledge of the general public, but, today, we wanted to share a similar quiz. However, we made this quiz for tree-care professionals (who should have aced Monday’s quiz). Scroll down to...

Are you interested in testing your tree-teligence? Take our tree-knowledge quiz below and see how you do! 

Each question is multiple choice; scroll down for the answers. We designed this quiz for laypersons, but we have published a quiz...

Every day, our collective understanding of trees improves. In addition to learning more about the behind-the-scenes world of trees, we learn new ways to battle pests and control the spread of invasive species. Today, we wanted to share a few...

A few weeks ago, you noticed that the big sycamore tree (Platanus racemosa) in your yard developed a large vertical crack. 

You did the right thing, and immediately called an ISA-certified arborist to evaluate the tree. Unfortunately, the...

As a tree ages and develops problems, arborists and property owners must often take action to keep the tree healthy and safe. Sometimes, simple steps, such as supplemental fertilization or minor corrective pruning, may be enough to solve the...

Like many other facets of the natural world, trees are the subject of innumerable myths and misunderstandings. As professional arborists, our job is to help separate fact from fiction, thereby allowing our clients and readers to better care...

Urban trees must cope with a constant parade of assaults. They live amid polluted air, grow in confined areas and suffer scars from delinquents and ne’er-do-wells. However, these damaging deeds pale in comparison to the primary threat facing...