Quotes

How Wide Do Tree Roots Spread?

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

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What is Soil Structure and Why is it Important?

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

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What’s the Difference Between Urban Soil and Forest Soil?

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.

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Silva Cell’s Allow Trees to Thrive in Parking Lots

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

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Silva Cells Can Be Installed with (around) Existing Trees – Part II

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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Soil Volume Minimums for Street Trees Organized by State/Province

At DeepRoot, we promote large volumes of non-compacted, biologically active loam as essential for street tree health and longevity. Urban foresters generally adhere to the following minimums: 300 cubic feet for small trees, 600 cubic feet for medium trees, and 1,000 cubic feet for large trees. However, some municipalities are taking soil volume cubic feet… More

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Waterfront Trees and Stormwater Management, Silva Cell Projects

Reclaiming prime waterfront locations from previous industrial uses is a common, and transformative, urban development process. The opportunity to create a fresh start from industrial lands, with ideal urban locations, provides tremendous opportunities to create new neighborhoods and revitalize a city. The tree planning process for these neighborhoods is a critical element in the long-term… More

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Plastic Use in Silva Cells: A Resilient Product for a Resilient Future

– Silva Cell is made primarily of virgin plastic because it guarantees quality, reliability, traceability, equality, and strength. – Recycled plastic and virgin plastic have distinguishable differences and potential advantages/disadvantages. – Silva Cell and other DeepRoot products are not single-use plastics (e.g., water bottles, single-use face masks, food wrappers, plastic grocery bags, plastic lids), which… More

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