Introduction A silhouetted cutout of Don Draper, the dashing protagonist in AMC’s Mad Men, extends his arm across the back of a commemorative park bench in front of the former Time-Life Building — headquarters of the fictional Sterling-Cooper-Draper-Pryce advertising firm in the award-winning series set in 1960s New York City. The history and cultural impact… More
Introduction When we talk about low-impact development and design today, the term “suspended pavement” is frequently used — but rarely defined. It’s important to understand this practice within the field of green infrastructure, so let’s examine what suspended pavement is as well as its history, uses, composition, and case studies. What is Suspended Pavement? Suspended… More
Introduction Planning a green infrastructure project is a complex endeavor with many intricate considerations — not least of which is the seemingly simple question: how will I grow big, healthy trees? Where will I plant them and how will I ensure they thrive in an urban environment? Let’s explore how tree trenches — also called… More
One of the most common questions posed when beginning an urban forest project is: how wide do tree roots grow? According to studies conducted by Colorado State University, most tree roots occupy an area two to four times the diameter of the crown. Other research done at Iowa State University suggests that roots may extend… More
In a recent post exploring the amount of soil it takes to grow a large tree, I challenged the notion that 1,000 cubic feet is a one-size-fits-all axiom. Ultimately, this rule of thumb allows only for the growth of a medium tree — and the more soil volume you include, the greater your chances of… More
A previous blog entry, Healthy Soils for Healthy Trees, discussed the importance of preserving soil structure from being destroyed by compaction. Together, soil texture and soil structure have the greatest influence on pore space in soil, and how easily air, water, and roots can move through a soil. Many people are aware of what soil… More
You don’t need much experience in arboriculture or landscape design to notice that planting trees in cities is very different from planting trees in forest environments. There are many reasons for this, but perhaps the biggest is the difference in composition of the soil.
DeepRoot is key to the growth of urban forests everywhere for everyone to enjoy. Parking lots and car parks have not traditionally been designed with the health and longevity of trees top of mind. DeepRoot’s Silva Cell is intentional in creating more space and accommodating more soil where it is most imperative: at a tree’s… More
If you are of a certain age (like me), you remember when shopping malls were the place to be. However, online shopping and cultural changes have greatly impacted the popularity and profitability of malls, resulting in vacant storefronts and little foot traffic. Now, hundreds of “dead” and dying malls sit decaying throughout North America –… More
Following our post about critical questions to ask prior to using Silva Cells with existing trees, the following are a few examples of successful applications in the USA and Canada. As with any root pruning operation we always recommend close consultation with a local certified arborist. Gallant Ave | Deep Cove | British Columbia This… More
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