Shows / Completely Arbortrary

Completely Arbortrary
Tree advocate Casey Clapp and his tree-curious friend Alex Crowson bring you a podcast about trees and other related topics. History, culture, art, religion, science... trees affect and are affected by everything. Join Casey and Alex on their silly and educational journey to prove it.
Episodes
Completely Arbortrary*𝘛𝘏𝘌* (Munz Oak)
Originally aired 10/10/2024 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryTo Kākāpō, Thanks for Everything! (Rimu)
Originally aired 1/18/2024 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryLeave Juglone Alone (Black Walnut)
Originally aired 1/28/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortrarySyrup Season (Sugar Maple)
Originally aired 3/11/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryJungle Buffet When the Figs Come to Play (Strangler Fig)
Originally aired 5/13/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryCompletely Awful Mutton (Nutmeg)
Originally aired 11/4/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryConcerning Tree Care (Pedunculate Oak)
Originally aired 3/24/2022 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryEndocarpe Treeum (Ice Cream Bean Tree)
Originally aired 7/25/2024 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryOnce Upon a Turtle Time (Beach Sheoak)
Originally aired 8/10/2023 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryMixed Treelings (Black Cottonwood)
Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Follow along on…
Completely ArbortraryPutrid Gums & Dreadful Terrors (Meyer Lemon)
Originally aired 12/16/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortrarySpoonful of Sugar (Noni)
Originally aired 3/16/2023 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryMilkshakes (Western Red Cedar)
Originally aired 8/19/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryFancy Timbers (Cedar of Lebanon)
Originally aired 5/6/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryWhat's in a Name? A Lot (Ghost Pine)
Originally aired 10/26/2023 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryOnly the Lonely (Kentucky Coffeetree)
Originally aired 4/20/2023 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortrarySakura, Hanami, Shinto, Kami (Japanese Cherry)
Originally aired 4/15/2021 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryChock-Full of Deadly Poison (Sea-Mango)
Originally aired 10/31/2024 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryFruit That Serves Itself (Passionfruit)
Originally aired 9/25/2025 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryNight Vision (Honey Locust)
Originally aired 10/19/2023 Join the Cone Club, our snail-mail botanical sticker club! Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortrarySituationship (Trumpet Tree)
Originally aired 8/18/2022 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and join the Cone Club Follow along on…
Completely ArbortraryThat's the Game of the Name (Nootka Cypress)
Originally aired 6/12/2023 Join the Cone Club, our snail-mail botanical sticker club to support the pod. Completely Arbortrary is produced and hosted by Casey…
Completely ArbortraryPirate's Booty (Coco-de-Mer)
Originally aired 3/28/24 Join the Cone Club, our snail-mail botanical sticker club to support the pod. Completely Arbortrary is produced and hosted by Casey…
Completely ArbortrarySilk Road Kill (White Mulberry)
Originally aired 4/28/2022 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and join the Cone Club Follow along on…
Completely ArbortraryDas Root (Sassafras)
Originally aired 12/9/2021 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and join the Cone Club Follow along on…
Completely ArbortraryBoioioioing (Rubber)
Originally aired 2/27/2025 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and join the Cone Club Follow along on…
Completely ArbortraryDeath 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 Arbortrary is produced and…
Completely ArbortraryPositively 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 Treemium Member Follow…
Completely ArbortraryShinto 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 Treemium Member Follow…
Completely ArbortraryHades! 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 Treemium Member Follow…
Completely ArbortraryEpisode III: Revenge of the Pith (Douglas-fir 3)
In our final mainline episode of Completely Arbortrary, we revisit the tree that started it all: the Douglas-fir (Pseudotsuga menziesii). Completely Arbortrary…
Completely ArbortraryWood 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 wooden accolades…
Completely ArbortraryBONUS 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 Policy at…
Completely ArbortraryAnastasianism (Siberian Stone Pine)
Be one with the land (and also learn teleportation) with Anastasianism, a religion centered around the Siberian stone pine (Pinus siberica). Completely…
Completely ArbortraryHow Casey Learned to Stop Worrying and Love the Apple (Apple 3)
260 episodes and 5 years later, and Casey has found an apple he loves, (Malus hupehensis), which he dubs by far the most interesting apple in the world…
Completely ArbortraryAre 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 and Alex Crowson…
Completely ArbortraryReinventing the (Wheel Tree)
Don't go reinventing the wheel tree (Trochodendron aralioides), it certainly isn't. Completely Arbortrary is produced and hosted by Casey Clapp and Alex…
Completely ArbortraryEven 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 tree that is helping…
Completely ArbortraryRenaissance Tree (Superb Schima)
A tree that lacks nothing… except for name recognition: the superb schima (Schima superba) (yes, that is its real name.) Completely Arbortrary is produced and…
Completely ArbortraryCones 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 cones like no other…
Completely ArbortraryEvolutionary Naïveté (Blue Ash)
When the emerald ash borer came to North America, few ashes survived. But one native species, the blue ash (Fraxinus quadrangulata), survived. How did this…
Completely ArbortraryBird Influence (Limber Pine)
Today we discuss our flexible friend the limber pine (Pinus flexilis) and its curious co-evolutionary relationship with, you guessed it, BIRDS. Completely…
Completely ArbortraryBurning 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 sylvestris)…
Completely ArbortraryIt's The End of Completely Arbortrary (As We Know It)
It's been 5 years of weekly tree podcasts, but after this final season, Casey and Alex will be moseying on to the next chapter for an extended hiatus. Buckle…
Completely ArbortraryHow Water Moves Through Trees (Oyster Bay-Pine)
Turgor pressure, negative pressure, vessels and tracheids, embolisms… It’s a fact-packed Christmas Day episode of Completely Arbortrary, featuring the Oyster…
Completely ArbortraryUnderplanted, Underrated, Underappreciated (Japanese Pagodatree)
Underrated, underplanted, underappreciated… so why isn’t the Japanese pagodatree (Styphnolobium japonicum) a more popular as a street tree in our urban…
Completely ArbortraryIvory & (Ebony)
work together in perfect harmony (guitar reference). Today, learn all about the ebony (Diospyros ebenum), it's typical path through capitalism, and the guitar…
Completely ArbortraryThe Odysseed (Lotus Tree)
Hop aboard the good ship Odyssey to make for the island of the lotus tree (Diospyros lotus). But, could this be a case of mistaken idenitree?... Completely…
Completely ArbortraryHoliday Merch Sale + Urban Trees and Racism
As we take a quick break we're here to remind you that our holiday merch sale ends ON BLACK FRIDAY, and reintroduce you to our talk on urban trees and racism…
Completely ArbortraryBONUS EPISODE: Fungus in the Fall
As the boys take a much needed break from the wild world of modern podcasting, they present to you the audio from a 2023 livestream entitled Fungus in the…
Completely ArbortrarySplitting Facts (Weeping Juniper)
So many junipers, so little time. So let’s pick one! How about the weeping juniper (Juniperus flaccida)? Buckle up, it’s gonna be a bumpy one. Completely…
Completely ArbortraryGoin' Thig Mode (Fraser Fir)
The boys are joined by their first ever third host to discuss goin' thig mode with thigmomorphogenesis and the Fraser fir (Abies fraseri). Then, a test of…
Completely ArbortraryDeal with the Devil (Bigleaf Magnolia)
BEEware of the bigleaf magnolia (Magnolia macrophylla). This tree made such a strong alliance with beetles, that any other insect trying to get in gets KILLED…
Completely ArbortraryLil' Apple Make This Horse Go Crazy (Manzanilla de la Muerte)
DO NOT TOUCH this week’s tree (Hippomane mancinella), it makes horses go crazy! Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson…
Completely ArbortraryMummy and Me (Coffintree)
We need a tall, straight, decay-resistant, fragrant wood… call THE COFFINTREE (Taiwania cryptomerioides). Why has this tree been used consistently for coffin…
Completely ArbortraryCreature from the Black Tea Lagoon (Swamp Tupelo)
Out of the black tea lagoon comes a swamp monster! It’s the swamp tupelo (Nyssa biflora)—swollen butt and all—who has learned how to breathe… underwater…
Completely ArbortrarySectored Architecture (Rocky Mountain Bristlecone Pine)
What if your left foot was in charge of keeping your left hand alive? What if your right big toe was responsible for the right ear? With sectored architecture…
Completely ArbortraryPavlova (The Fruit That Serves Itself)
The maracuya, the passionfruit, the fruit that serves itself (Passiflora lindeniana) produces one of the best fruits in the world (unbiased opinion), which…
Completely ArbortraryZwetschgenkuchen (European Plum)
Did you save room for dessert? We're having zwetschgenkuchen, or German plum cake, made with the European plum (Prunus domestica). Completely Arbortrary is…
Completely ArbortraryBaesuk (Asian Pear)
Asian pear (Pyrus pyrifolia) is the centerpiece of a Korean dish called baesuk; a dessert even Frankenstein would love. Completely Arbortrary is produced and…