We recently learned that Tigard, OR, a town of about 48,000 people that is part of the Portland metro area, has implemented an impressive soil volume minimum for trees planted in streets and parking lots: up to 1,000 cubic feet of soil per tree.
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
We recently wrapped another video project! This one is about ArborTie, a staking and guying material from our legacy line. This video walks through the basics of the product and how to attach it securely to a tree.
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
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
Soil. Stormwater. Sustainable Infrastructure.
Request a Quote [email protected]
Tel: 415 781 9700
Toll Free: 800 458 7668
Toll Free: 800 277 7668
Fax: 415 781 0191
