17 Trees Provide Shade and Stormwater Management in D.C. Capitol Hill Neighborhood: A Silva Cell Case Study

– A pedestrian-friendly, tree-lined, multiuse structure blocks away from the Capitol building in Washington, D.C., was completed in 2017. – The 17 trees that surround 128 luxury residence buildings covering the entire block at 777 C Street St Pennsylvania Ave. SE help to achieve principles of new urbanism, support neighborhood activity, and well-being, and harvest... More

Silva Cell “Leeds” the Way in Sovereign Square: Case Study

Sovereign Square is the first significant redevelopment in Leeds City Centre in a generation. Seven years ago, the City of Leeds, a financial and legal hub in the UK, initiated the transformation of an industrial site to a green, urban oasis. Between Sovereign Place and Sovereign Street, the aptly named Sovereign Square has become what... More

A Practitioner’s Guide to Tree Evaluation

I often cruise around checking in on Silva Cell projects throughout the seasons and take some random data on how the trees are doing. The data is helpful for established and new clients to show the efficacy of Silva Cells. My study concerns deciduous trees. I also usually point to this piece of content on... More

Silva Cell Education Institution Projects

Green landscaping complete with flourishing trees keeps spaces cooler, encourages relaxation, enhances creativity, and provides stimulating, healthy air to breathe. It is especially crucial to have green infrastructure throughout academic campuses. Whether the institutions are for elementary students or those earning an advanced degree, strong, healthy trees create an atmosphere of safety, security, and calm... More

The Summer of Tree Reckoning in the Media

A convergence of two connected elements in 2020 and 2021 is causing an outpouring of news stories this summer, covering tree equity and the role and impact of trees as a means to reduce heat impacts in all neighborhoods across America, not just some. The racial inequality and reckoning that the United States experienced in... More

What Not To Plant

Something simple and extremely fundamental must underpin any effort to increase the biodiversity of the urban canopy: adequate quantity and quality soil and water. That’s it. If a guy wanted to grow a great tree in a typical 4 x 4 urban tree opening, he could add macronutrients (NPK), micronutrients (Mn, Mg, etc.), compost tea,... More

The High Cost of Urban Monocultures

Tree species diversity is a critical element of ecology sustainability, the most urgent of which is to minimize the impact of pests and disease outbreaks on urban canopy cover. Anyone who has followed the introduction of Dutch Elm disease (DED) is already painfully aware of how devastating tree pest outbreaks can be. Where I live,... More

The High Cost of Urban Monocultures

Tree species diversity is a critical element of ecology sustainability, the most urgent of which is to minimize the impact of pests and disease outbreaks on urban canopy cover. Anyone who has followed the introduction of Dutch Elm disease (DED) is already painfully aware of how devastating tree pest outbreaks can be. Where I live,... More

How “Clean and Simple” Becomes “Dead and Gone”

Picture a schematic drawing for, say, a downtown revitalization project. You’d see bustling businesses, new bike lanes, colorful signs, and rows and rows of identical trees. As an arborist, horticulturist, and landscape architect I’ve given a great deal of thought to plant diversity over my career, and this practice of only planting a single species is... More

Silva Cell Trees Reach New Height at Highgate: Tysons, VA

– What was once a suburban office complex and parking lot in Tysons, Virginia, is now home to a luxury apartment building and landscaped space. – Highgate at the Mile, on Jones Branch Drive, has 350-plus units and 35 lush trees along its perimeter. – Four years after 252 2X Silva Cells were installed in... More