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Science & Medicine

Completely Arbortrary

Completely Arbortrary

Tree zealot Casey Clapp and tree agnostic Alex Crowson review and rate your favorite arboreal friends. A semi-educational, basically pleasant, and fully unnecessary romp through the annals o...

Completely Arbortrary Podcast Guide

Listen to Completely Arbortrary, a Science & Medicine podcast by Completely Arbortrary. Stream 282 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.

Show Topic

Browse this show under Science & Medicine podcasts.

Episodes

20 episodes are loaded now from a catalog of 282. More episodes can be opened from this page.

Episodes

20 of 282 episodes

Death Row Chocolate Milk (Cacao)

Originally aired 12/23/21 Join the Cone Club, our snail-mail botanical sticker club to support the pod. Link in the bio! Completely Arbortra...

01:05:36Apr 30, 2026

Positively Petrified (Rainbow Wood)

Originally Aired 10/27/2022 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemi...

00:44:32Apr 23, 2026

Shinto My God! (Sakaki)

Originally aired 12/07/2023 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemi...

00:57:39Apr 16, 2026

Hades! Hades! Hades! (English Yew)

Originally aired 1/27/2022 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemiu...

00:58:24Apr 9, 2026

Wood Vibrations (Wild Whiskey Cherry)

In our penultimate episode of Completely Arbortrary (as we know it), we discuss the wild whiskey cherry ( Prunus serotina ) and its many woo...

01:15:42Mar 26, 2026

BONUS EPISODE: Trees of the Deserts

Alex is unexpectedly out this week so you get a bunch of ums and uhhs from Casey along with an audio essay about desert trees! See Privacy P...

00:10:36Mar 19, 2026

Anastasianism (Siberian Stone Pine)

Be one with the land (and also learn teleportation) with Anastasianism, a religion centered around the Siberian stone pine ( Pinus siberica...

01:13:22Mar 12, 2026

Are You There, Fog? (Coast Redwood 2)

Fog: the coast redwood's strongest ally through a process called folial uptake. Completely Arbortrary is produced and hosted by Casey Clapp...

01:10:16Feb 26, 2026

Reinventing the (Wheel Tree)

Don't go reinventing the wheel tree ( Trochodendron aralioides ), it certainly isn't. Completely Arbortrary is produced and hosted by Casey...

01:03:21Feb 19, 2026

Even Older Growth (Western Juniper 2)

You’ve heard of old growth forest… but how about old growth woodland? For more info, ask the western juniper ( Juniperus occidentalis ), a t...

01:30:58Feb 12, 2026

Renaissance Tree (Superb Schima)

A tree that lacks nothing… except for name recognition: the superb schima ( Schima superba ) (yes, that is its real name.) Completely Arbort...

01:08:34Feb 5, 2026

Cones on the Spectrum (Celerytop-Pine)

Forget everything you thought you knew about conifers, and make way for the celerytop-pine ( Phyllocladus aspleniifolius ) with leaves and c...

01:19:54Jan 29, 2026

Evolutionary Naïveté (Blue Ash)

When the emerald ash borer came to North America, few ashes survived. But one native species, the blue ash ( Fraxinus quadrangulata ), survi...

01:00:52Jan 22, 2026

Bird Influence (Limber Pine)

Today we discuss our flexible friend the limber pine ( Pinus flexilis ) and its curious co-evolutionary relationship with, you guessed it, B...

01:26:08Jan 15, 2026

Burning Hot Fresh Root News (Scots Pine)

Welcome to Season X of Completely Arbortrary, our final hoorah! To begin the end, we talk about senses of smell and the Scots pine ( Pinus s...

01:10:58Jan 8, 2026

Questions About Completely Arbortrary

Where can I listen to Completely Arbortrary episodes?

You can listen to Completely Arbortrary episodes online on Radio and Podcast. Open an episode and the site player will stream the available audio.

What is Completely Arbortrary about?

Completely Arbortrary is listed as a Science & Medicine show. The show language is listed as English.

How many Completely Arbortrary episodes are listed?

This page lists 282 episodes for Completely Arbortrary. More episodes are available from the View more button when the list continues.

Quick Answers About Completely Arbortrary

Where can I listen to Completely Arbortrary?

You can listen to Completely Arbortrary episodes on this page by opening an episode and using the site player.

What type of podcast is Completely Arbortrary?

Completely Arbortrary is listed as a Science & Medicine show by Completely Arbortrary.

How many episodes are available?

This page lists 282 episodes for Completely Arbortrary where feed data is available.