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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...
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...
Originally Aired 10/27/2022 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemi...
Originally aired 12/07/2023 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemi...
Originally aired 1/27/2022 Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson Support the pod and become a Treemiu...
In our final mainline episode of Completely Arbortrary, we revisit the tree that started it all: the Douglas-fir ( Pseudotsuga menziesii )....
In our penultimate episode of Completely Arbortrary (as we know it), we discuss the wild whiskey cherry ( Prunus serotina ) and its many woo...
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...
Be one with the land (and also learn teleportation) with Anastasianism, a religion centered around the Siberian stone pine ( Pinus siberica...
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...
Fog: the coast redwood's strongest ally through a process called folial uptake. Completely Arbortrary is produced and hosted by Casey Clapp...
Don't go reinventing the wheel tree ( Trochodendron aralioides ), it certainly isn't. Completely Arbortrary is produced and hosted by Casey...
You’ve heard of old growth forest… but how about old growth woodland? For more info, ask the western juniper ( Juniperus occidentalis ), a t...
A tree that lacks nothing… except for name recognition: the superb schima ( Schima superba ) (yes, that is its real name.) Completely Arbort...
Forget everything you thought you knew about conifers, and make way for the celerytop-pine ( Phyllocladus aspleniifolius ) with leaves and c...
When the emerald ash borer came to North America, few ashes survived. But one native species, the blue ash ( Fraxinus quadrangulata ), survi...
Today we discuss our flexible friend the limber pine ( Pinus flexilis ) and its curious co-evolutionary relationship with, you guessed it, B...
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...
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 extend...
Turgor pressure, negative pressure, vessels and tracheids, embolisms… It’s a fact-packed Christmas Day episode of Completely Arbortrary, fea...
Underrated, underplanted, underappreciated… so why isn’t the Japanese pagodatree ( Styphnolobium japonicum ) a more popular as a street tree...
work together in perfect harmony (guitar reference). Today, learn all about the ebony ( Diospyros ebenum ), it's typical path through capita...
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 idenitr...
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...
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...
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...
The boys are joined by their first ever third host to discuss goin' thig mode with thigmomorphogenesis and the Fraser fir ( Abies fraseri )....
BEEware of the bigleaf magnolia ( Magnolia macrophylla ). This tree made such a strong alliance with beetles, that any other insect trying t...
DO NOT TOUCH this week’s tree ( Hippomane mancinella ), it makes horses go crazy! Completely Arbortrary is produced and hosted by Casey Clap...
We need a tall, straight, decay-resistant, fragrant wood… call THE COFFINTREE ( Taiwania cryptomerioides ). Why has this tree been used cons...
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 breat...
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 sec...
The maracuya, the passionfruit, the fruit that serves itself ( Passiflora lindeniana ) produces one of the best fruits in the world (unbiase...
Did you save room for dessert? We're having zwetschgenkuchen, or German plum cake, made with the European plum ( Prunus domestica ). Complet...
Asian pear ( Pyrus pyrifolia ) is the centerpiece of a Korean dish called baesuk; a dessert even Frankenstein would love. Completely Arbortr...
It's Plant Based Diet: Just Desserts, where we talk about 4 of the world's sweetest trees. First up, the pistachio! ( Pistacia vera ) Hear a...
Buzz buzz! Let’s connect some pollen the new fashioned way with the Bigberry Manzanita ( Arctostaphylos glauca ). Completely Arbortrary is p...
What's up Fungal Associates!? This week we have part 2 of our bonus episode fortnight and bring you "What is Bark?" Which asks the question....
What's up Fungal Associates! For the next two weeks we bring you some OLD SCHOOL bonus episodes (circa 2021). Why? Well, because Casey took...
I think, therefore I am... a tree - American Beech ( Fagus grandifolia ) Completely Arbortrary is produced and hosted by Casey Clapp and Ale...
The tree you don’t know that you know, but you know it! The Japanese zelkova ( Zelkova serrata ) is the center of a fascinating tale of isol...
Don't go chokin' on this cherry ( Prunus virginiana ) or else you may turn red! And Canadian! Completely Arbortrary is produced and hosted b...
A mystery cone… a mystery tree! What the maxipiñon has to say about genetic bottlenecking may unlock its secrets! Completely Arbortrary is p...
What happens when trees have to run for their lives and the only way is up? The Vietnam cypress ( Xanthocyparis vietnamensis ), that's what!...
It’s a BANANZA with the banana ( Musa acuminata) , a fruit so popular that it helped shape the political landscape of the world. Completely...
Lazy, back problems, or just a Fonzie-esque casual attitude? Whatever the reason, the Cook Island pine ( Araucaria columnaris ) leans myster...
Introducing... TROPICAL VACATION! 🌺 a series all about tropical trees! Our first visit is Brazil, where the ipê (𝘏𝘢𝘯𝘥𝘳𝘰𝘢𝘯𝘵𝘩𝘶𝘴 �...
Kick back with Casey and Alex while we play you our favorite jams from recent days. Become a Treemium Member at arbortrarypod.supercast.com...
Parthenowhatnow? Parthenocarpy! Why are 90% of the paperbark maple's ( Acer griseum ) infertile? Only nature knows. Completely Arbortrary is...
It's a bit of governor's plum, innit? ( Flacourtia indica ) But where to put it? This wayward species finally found a home with the willows,...
Let's get kinky with the silk tree ( Albizia julibrissin ). This beautiful tree has a very curious way of keeping its leaves close to the st...