Master Arborist Logan Collier on Doerner Fir Fire Aug. 22, 2025 (Bureau of Land Management) Ex-Trump White House Lawyer's ...

"Perfect storm" of conditions has led to rampant fungus for trees and shrubs like maples, crabapples and lilacs. They will ...

The arborist explained that he had planted the tree years prior, but he hadn't been back since. When he returned, he told the landscaper why using excessive mulch is harmful to the tree.

G. “Hutch” Shaw Jr., a longtime Merrimack arborist, has been performing tree work for 30 years and founded G.H. Shaw Tree ...

Registration for the certified arborist exam costs $170 for ISA members and $280 for nonmembers. Taking the exam via computer requires an additional $125 fee for all applicants.

Experts puzzled by condition of storm-downed trees in East Bay OAKLAND -- The series of punishing rainstorms has wreaked havoc on cities across the Bay Area and many of the problems -- from downed ...

Allen got his certified arborist certificate in 2010. “I didn’t have to study for it or anything because I had studied for it my whole life – studied trees.” ...