I thought I’d share this clip I filmed about a month ago, a birch tree I was pruning East of Seattle. Notice the sap dripping from this freshly cut branch.   It’s a fairly complex process that causes the sap … Continue reading →

While out in the forest, park, or even your own backyard you may have seen rows of small holes seemingly drilled into the bark of trees. These holes are not from an insect (those are more randomly spaced and usually … Continue reading →

Those few sunny warm days we had last week must have queued the hatching of these tent caterpillars. I spotted a few groups just emerging from their eggs on an apple tree I was pruning in the Skagit Valley, near … Continue reading →

I was in Carnation WA at Camp Korey last week taking a look at their trees and came across several very sick Holly trees. There were several things going on with them including some severe Sapsucker damage (I’ll discuss that … Continue reading →

I was pruning a Pine tree last week and came across this guy:   It’s a called a Sequoia Pitch Moth – Synanthedon sequoiae. The larvae feed on the cambium (living tissue) part of the tree trunk and branches. It’s … Continue reading →