“Bare root” is the form that most trees take when nurseries begin the several year process of growing trees for retail. The young trees must be handled carefully, are typically only available at certain times of year, and some species are sensitive to transplant as bare root stock. This has made it a bit tricky… More
A few weeks ago I attended the International Society of Arboriculture tradeshow and expo in Toronto. It was a fun show, with a number of excellent sessions and some great conversations. But the most fun part was getting a chance to go see some of our Silva Cell installations in the city, and the trees… More
In July, this blog posted about the disagreement among citizens in Portland, OR over proposed changes to their urban tree ordinances. At its heart, the conflict in Portland seems to center on whether the city government should have jurisdiction over privately owned trees. The majority of the commenters on the article felt that the city’s… More
For a newly planted street tree, adequate watering during establishment is literally a matter of life and death. The establishment period and amount of water can vary depending on climate, soil type and tree species. A street tree in San Francisco planted from a #15 nursery container usually requires 15 to 20 gallons per week… More
Randy Neprash has been a champion of using trees for urban stormwater management for longer than almost anyone else we know. A water resources engineer and stormwater regulatory specialist for Bonestroo, now Stantec, Randy is also the technical consultant for the Minnesota Cities Stormwater Coalition, an organization of about 120 Minnesota cities that are regulated… More
This is the fifth and final post in Peter MacDonagh’s series on the history of street trees in Holland. Today, how an ancient Dutch barge made its way to a Midwestern living room. -LM In my Midwestern living room in the U.S., we have hanging on the wall a small blue and white plate. This… More
The research has been out for a while now: circling, girdling, diving and kinked roots in the nursery pot lead to poor health, blown-down trees and shorter lifespans. With budgets for greenery shrinking, every tree or shrub has to last for a while.
Today is the second to last post of Peter MacDonagh’s five part series on the history of street trees in Holland. In this one, the Dutch expand their master planning to their pesky colonies. -LM Eventually the Dutch East India Company (VOC) controlled colonial trading cities in Asia, Africa, South America, and New Amsterdam in… More
In April last year we shared some news about a Silva Cell project in Philadelphia – the Venice Island Recreation Center, in the Manayunk neighborhood. Venice Island sits between the Manayunk Canal and the Schuylkill River. After two years of work on the whole site – which was built up anew after demolishing the old… More
2nd Avenue NW in Calgary, Alberta is a mixed-use street that runs through the Kensington neighborhood of the city. One section across the river from central downtown Calgary, between 10th Street NW and 9th Street NW, has been developed as a model site demonstrating how a dense, commercial street can manage stormwater directly on-site using… More
Here is Part 3 of Peter MacDonagh’s series on the history of street trees in Holland. Things are starting to heat up! -LM The Low Country cities (which included both Holland and Belgium until 1830) went all in on the spice trade from the 1200’s forward. Most of these spices were harvested from the fruit… More
Here is Part 2 of Peter MacDonagh’s series on the history of street trees in Holland. Peter’s knowledge is incredible; I promise you don’t want to miss this unusual history of Holland through its trees. -LM The Low Countries, as one would guess, were perpetually wet – abounding with swamps, marshes and bogs. To increase… More
Soil. Stormwater. Sustainable Infrastructure.
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