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Municipalities With Soil Volume Minimums for Trees

This post is now out of date! Please see the updated post here. For the last two weeks of December I’ll be reprinting some of our favorite blog posts instead of putting up new ones. These will be on those evergreen topics that we can always revisit and apply to current projects. As this year… More

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Minimum Soil Volumes for Trees Part 1: Lessons Learned from Municipalities

Trees need an adequate volume of rootable, oxygen-rich soil to thrive, and minimum soil volume policies are a powerful tool for arborists and other advocates to leverage better growing conditions for trees, especially in urban areas. In preparation for Peter MacDonagh’s presentation at the 2012 ISA conference in Portland, OR, “Leveraging Healthy Urban Forests with… More

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Soil Volume Minimum for Street Trees Established in Oakville, ON

We like to keep track of cities that are doing more for trees, specifically by implementing minimum soil volumes for urban planting. I’m happy to share that we are adding the city of Oakville, ON to the list, where they have recently implemented a requirement that street trees be planted in 30 m3 (1,059 ft3) of soil… More

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A Million Trees? Only If We Can Keep Them Around

In February, the U.S. Forest Service published a report indicating that cities around the country are losing around 4 million trees per year. Of the 20 cities included in the study, 17 showed significant losses of canopy cover, and 16 showed significant increases in impervious hardscape (or paved surfaces that don’t absorb water). At the same time,… More

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Municipalities With Soil Volume Minimums for Trees

This post is now out of date! Please see the updated post here. In the day-to-day, we can become so focused on what isn’t working with the way we design and plant street trees that it can be difficult to focus on the people and places that are actually doing right by them. It’s just so… More

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The Benefits of Soil Sharing for Trees

There is a lot of discussion going around about the benefits of creating shared soil volumes for urban trees — in other words, connecting the rooting areas of two or more trees. Do they benefit? Do they not? In my mind, a shared soil volume is kind of like living in an apartment with a… More

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