
How one Portland podcast converts listeners into tree nerds
From Peak Northwest by The Oregonian/OregonLive
March 13, 2026 · 40 min
About this episode
Casey Clapp and Alex Crowson discuss their podcast Completely Arbortrary, which focuses on trees and their captivating features.
Casey Clapp and Alex Crowson are converting people into tree huggers, one podcast episode at a time. The Portland duo is behind Completely Arbortrary, a science and entertainment podcast all about trees. Running since 2021, the podcast focuses on one tree per episode, diving into the features, facts and lore behind each. On this week’s episode of the Peak Northwest podcast, we talk to Clapp and Crowson about their podcast, discussing what it is about trees that captivates people. Here are some highlights from this week’s show: How the two friends started the podcast in the midst of the pandemic. While based in Oregon, the podcast focuses on trees from around the world. What is it about trees? Where you should start in the extensive Completely Arbortrary catalog. Learn more about your ad choices. Visit megaphone.fm/adchoices
People in this episode
Guests: Casey Clapp, Alex Crowson
Topics covered
- trees
- podcast
- environment
- nature
- Oregon
- entertainment
Keywords
- trees
- podcast
- Completely Arbortrary
- Oregon
- nature
- environment
- tree huggers
- pandemic
- tree facts
- tree lore
Mentioned in this episode
Organizations: Completely Arbortrary
Places: Portland, Oregon
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