Will your holiday preparations include a magnificent light display? If so, rest assured that despite what you may have heard, Christmas...

What (and where) to plant. The greatest challenge to planting a tree is deciding which tree. The old adage, "right tree, right place" is...

Even though it seems like each rain provides such a good soaking, in reality, it takes many months of cool, moist weather to deeply...

Learn to Prune Workshop with a Certified Arborist Learn simple pruning tips and techniques from a professional. There are several rules...

The 7th Annual Urban Forest Symposium was held recently in Seattle, hosted by PlantAmnesty and the University of Washington Botanic...

Don’t be surprised to see Tom Quigley when you’re out and about in the community. He could be on a trail, at a farm, in a meeting, or...

We participated in a class recently on Defensible Tree Appraisals. As an arborist, we are faced with constant requests for an appraised...

What started out as an eyesore on a neighborhood street corner in Kenmore, WA, is becoming a vision of restoration due to the hard work...

There are some misconceptions about fall planting. Most folks understand that, yes, fall is the time to plant trees and shrubs. But, I...