The oak is our national tree for a reason. Oaks are endemic to our native landscapes in all regions of the United States, easily identified by their leaf shape and gnarly branches. The size of the mature white oak (Quercus alba), spreading up to 120 feet, is one reason we associate oaks with strength, along with the density of the wood and an oak fire’s burning hot and long in the woodstove. Native oaks fall into two taxonomic groups, white and red, and their landscape uses vary depending on soil moisture. But most important today, as Douglas Tallamy, a professor of entomology and wildlife ecology at the University of Delaware, points out, oaks are the “quintessential wildlife plants.” They provide food to more than 500 species of caterpillars and other insects. In this fact lies the oaks’ value to the entire food chain, from the birds that eat insects to the humans who rest in the trees’ shade.Continue reading The Chain of Demand→
You win some, and you also don’t lose some. A recent conference on design competitions drew a range of views on what constitutes hitting the bull’s-eye.
By Elizabeth S. Padjen
In the opening scene of the first episode of Mr. Selfridge, an American businessman, Harry Selfridge, tries on a pair of kid gloves in a proper Edwardian department store. When he decides he wants to try something else, the clerk asks what he would like to see. “Well, maybe I don’t know until I see it,” he answers. “Why don’t we get a whole lot of them on the counter and then we can see what we like?” The clerk explains that’s not how things are done. “Come on,” he cajoles, “let’s have a little bit of fun”—and soon a drawerful of gloves is heaped on the counter. Continue reading Competitions: What’s the Real Prize?→
You say Olmsted park space is sacrosanct. What exactly does that mean?
By Bradford McKee
To the annals of things you thought might be sacred but actually aren’t sacred at all, you can now add 20 or so acres of a Frederick Law Olmsted and Calvert Vaux park in Chicago that will be used to build the Obama presidential library. Continue reading Rahm Emanuel’s Giveaway (Part 2)→
The Magazine of the American Society of Landscape Architects