In anticipation of the American Society of Landscape Architects tradeshow later this week, today we’re highlighting an iconic tree planting project using suspended pavement – including archival photos and original section details – that took place in Denver in the early 1980s: the 16th Street Mall. -LM Denver has long been a place of significance in the… More
Specifications and details are required elements of the design and construction process – they’re what ensure the proper components get built in the right place and to the right standards. Yet for trees, all too often the details and specifications don’t actually depict conditions that are optimal for growth. ANSI A300 established standard tree planting… More
Production/manufacturing nerds, this one’s for you! We regularly get questions about how and where we manufacturer Silva Cells to meet target performance requirements. I asked our Director of Operations, Rebecca Stevens, to discuss the various steps involved in our quality control process. -LM By the time a Silva Cell order is received by a customer, it is simply a necessary… More
The Silva Cell is well known as a suspended pavement system that provides large soil volumes to aid tree growth and health. Less well known is the capacity of the Silva Cell system to provide onsite stormwater management. Whereas traditional stormwater management has focused on collecting stormwater in piped networks and transporting it offsite as… More
Today’s post is an interview with Drew Graham, a Landscape Architectural Intern at Brodie & Associates Landscape Architects in Toronto, ON. As an MLA student at the University of Guelph, Drew studied how heat-related emergency calls were distributed throughout the city. What he found was that areas with low tree canopy cover had significantly higher heat related emergencies… More
Today’s post, written by James Urban, FASLA, originally ran in 2011. But understanding soil organic matter – a sometimes mysterious-seeming property of healthy soil – remains a fundamental component of any discussion about planting trees for long-term success. -LM As a soils guy, I have a lot of discussions with clients and colleagues about the quantity… More
The other day, I passed a dead street tree in San Francisco Not an uncommon occurrence unfortunately, but this tree had once been on TV. The tree, a Paradox walnut, had been planted along with a second tree next to it as part of an art/science project called OneTrees designed by Natalie Jeremijenko. Jeremijenko cloned… More
Recognizing the many benefits trees provide, more and more jurisdictions are providing incentives to both preserve existing trees and plant new trees. Examples of such incentives include grants, tax rebates, development incentives, stormwater fee discounts, and stormwater credits. Today I’ll be focusing on stormwater credits for trees, particularly stormwater credits applicable to individual trees on… More
A recent issue of the Ontario Association of Landscape Architects (OALA) magazine, Ground, contained a great discussion between nine professionals on the topic of soil. James Urban, FASLA, ISA, wrote to the magazine to add a few more comments to the piece – taking issue with the contention that what we plant in shouldn’t be… More
The Lorax, as many people know, is a Dr. Seuss book about a mythical creature who “speaks for trees.” Widely understood as a parable about the value and importance of natural resources and the risk industry poses to them, the word “Lorax” has come to mean someone who is environmentally minded and is an advocate for… More
As regular readers of this blog know, when I learn about early suspended pavement systems for trees, such as the Christian Science Center in Boston, I like to find out more about them. I recently learned about another one that was installed at the Herberger Theater in Phoenix, AZ in 1989 – now 25 years… More
This was originally published on the landscape architecture blog The Field. When we talk about low-impact development and design today, the term “suspended pavement” comes up a lot, but it occurred to me recently that this term is rarely defined. Here is my attempt to do that by walking through suspended pavement’s history, uses, composition,… More
Soil. Stormwater. Sustainable Infrastructure.
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