Ever wonder what kind of questions are asked at the “Ask An Arborist” booth at the local street fair? I spent a lovely afternoon recently with two colleagues at the Castro Street Fair in San Francisco. We handed out literature, shared reference books, and fielded questions like these.
Over 50 percent of the global population lives in cities. Despite this – or maybe because of it – it is widely understood that spending time outdoors, in nature, instinctively feels really, really good to people. In fact, science supports that time in nature doesn’t just feel nice – it’s actually extremely beneficial for our… More
Stormwater permits are maturing in the greater D.C. region, driven by Chesapeake Bay and Anacostia River restoration mandates. Two of the three major Anacostia stormwater permits – for Montgomery County (issued in 2010) and the District of Columbia (issued in 2011), carry real clout in the form of retrofitting mandates with required numbers of impervious… More
In a recent webinar discussing the first principles of using trees and soil for stormwater management in urban areas, I mentioned that I am often not in favor of using mulch. In fact, I said that if it were up to me, mulch would not be included by default in most planting specifications. After the… More
“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
This article is the first of a series that aims to plant innovative, inspiring, and actionable seeds in the realms of community-building, art, and arboriculture. These seeds will be planted by providing readers with information on funding programs and opportunities for environmental projects alongside discussion of related concepts/projects in contemporary art. What will grow exactly… 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
An exciting thing happened on July 23rd in Montgomery County, MD: Bill 35-12, which requires builders to replace trees that are cut down or disturbed during development as well as planting new trees on sites where they may never have existed in the first place, was unanimously passed.
LEED version 4 (V4) is the fourth and latest iteration from LEED (Leadership Environment, Energy & Design), a rating system developed by the U.S. Green Building Council and independently certified by the Green Building Certification Institute. The primary mission of LEED is to encourage the marketplace to provide sustainable buildings, sites, and neighborhood development using… More
Due to technical difficulties that prevented some people from joining last month’s webinar with guest speaker James Urban, FASLA, on the topic of “Using Trees and Soils in Urban Stormwater Management,” we will be offering the same webinar again on September 4th at 10am Pacific (please note that the start time will vary by time zone).
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
Soil. Stormwater. Sustainable Infrastructure.
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