Planning Around Winter Emergencies

Back when I worked on a tree crew, I remember one particular January with a higher-than-average number of 10- to 15-degree F days and knee-deep snows. I couldn’t seem to add enough layers. Fortunately, the only lasting scar I carried away from that winter was a newfound love of coffee, after a sales arborist brought […]

Strike Two for Elms

Given the hundreds of thousands of elms already lost in the last 100 years to Dutch elm disease, it seems unfair that the Ulmus genus should face a new enemy so soon. But the world of invasives isn’t fair, and a new threat has reared its head: elm zigzag sawfly (Aproceros leucopoda). This insect is […]

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