Completely Arbortrary

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Completely Arbortrary Welcome to Completely Arbortrary, the podcast about trees and other related topics. What's up, Fungal Associates!
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This weekly podcast is a scientific look at trees and how they affect and are affected by everything, hosted by master arborist and environmental educator Casey Clapp and his tree-curious friend and musical artist Alex Crowson. Each episode features a tree from around the world and a discussion about its unique position in culture, ecology, and history. These discussions can range from urban fores

try and evolutionary biology to folk mythology and popular culture. The hard science is framed in plenty of silliness, with a casual tone, games and parody songs, and the titular arbitrary numerical rating of the tree at the end of each episode. This podcast's mission is to provide approachable science to audiences of all experience levels and reconnect people to the natural elements around them, whether deep in the forest or just outside their front door.

GET MONTHLY CONE STICKERS at arbortrarypod.supercast.com (LINK IN BIO!)July Cone of the Month: Coast Redwood by When I c...
22/07/2024

GET MONTHLY CONE STICKERS at arbortrarypod.supercast.com (LINK IN BIO!)

July Cone of the Month: Coast Redwood by

When I came across Chen's art, I instantly fell in love. Chen's bread and butter are CRITTERS, so I was thrilled when they proposed a neighborly banana slug (𝘈𝘳𝘪𝘰𝘭𝘪𝘮𝘢𝘹) to go along with the coast redwood cone (𝘚𝘦𝘲𝘶𝘰𝘪𝘢 𝘴𝘦𝘮𝘱𝘦𝘳𝘷𝘪𝘳𝘦𝘯𝘴).

If you want to support the podcast and get monthly cone stickers to adorn your water bottle, sketchbook, car, or scrapbook, join the Cone Club at arbortrarypod.supercast.com

MUCH LOVE!

PLANT-BASED DIET: PART CHEW - a 4 part series on trees that feed from Completely Arbortrary!Out today is the first insta...
18/07/2024

PLANT-BASED DIET: PART CHEW - a 4 part series on trees that feed from Completely Arbortrary!

Out today is the first installment on the sapodilla tree, the source of not one, but two yummy treats.

Out now where you get your pods!

New tote, who dis? LINK in bioWe've reupped our tote inventory! These ones are slightly bigger than the last, with a bot...
16/07/2024

New tote, who dis? LINK in bio

We've reupped our tote inventory! These ones are slightly bigger than the last, with a bottom panel perfect for holding books. We love them and think you will too.

Link in the bio to snag one while they last!

T-SHIRT SALE! 20% with code 2SLAPS - link in bio, or go to arbortrarypod.com/merch👕🌲We love the simple t-shirt. We love ...
23/06/2024

T-SHIRT SALE! 20% with code 2SLAPS - link in bio, or go to arbortrarypod.com/merch👕🌲

We love the simple t-shirt. We love representing our favorite artists, bands, illustrators, and designers. When you buy a Completely Arbortrary t-shirt, not only are you given a way to show people that you’re really really really cool and love trees, but you’re supporting two small artists to continue making free science and nature education.

Link is in the bio, use code 2SLAPS to get 20% off t-shirts and get 2 free exclusive Cone Club stickers.

If you want monthly cone stickers by amazing illustrators, printed locally in Portland, sent directly to your door, become a Treemium Member at arbortrarypod.supercast.com

Hey everyone! It's been a minute. Life has presented its fair number of challenges for Casey and I recently, so you migh...
18/06/2024

Hey everyone! It's been a minute. Life has presented its fair number of challenges for Casey and I recently, so you might have noticed a couple of bonus episodes as of late. We hope you enjoyed them! This week we're back with a NEW episode all about Venice, and the trees that hold it up from literally sinking.

A couple of reminders: we're having a t-shirt sale at arbortrarypod.com/merch - 20% off all t-shirts and 2 free stickers with code 2SLAPS

Also, if you're interested in joining the over 700 people who support this podcast and receive cool cone stickers monthly, become a Treemium member at arbortrarypod.supercast.com

Much love to yall, see ya soon.

CONE OF THE MONTH... is no cone at all, but a LEAF. Introducing our very first LEAF OF THE MONTH, the bur oak leaf by Ca...
16/05/2024

CONE OF THE MONTH... is no cone at all, but a LEAF. Introducing our very first LEAF OF THE MONTH, the bur oak leaf by Caylin Jayde Join the club at the link in the bio.

To coincide, please enjoy a BONUS EPISODE today, "What is a leaf?" from the early days of our support platform.

If you want to support the podcast and get lots of fun rewards in return, including this sticker next month, become a Treemium member at arbortrarypod.supercast.com (link in bio!)

What? The Cone Club is evolving!
15/05/2024

What? The Cone Club is evolving!

TOMORROW — who can it tree now?
01/05/2024

TOMORROW — who can it tree now?

Tomorrow… our lowest rated tree EVER.Who can it tree now? 🫒
24/04/2024

Tomorrow… our lowest rated tree EVER.

Who can it tree now? 🫒

CONE OF THE MONTH: 𝘈𝘣𝘪𝘦𝘴 𝘧𝘳𝘢𝘴𝘦𝘳𝘪 (Fraser fir) by  Behold this beautiful Fraser fir cone by the very talented Mieke! This...
19/04/2024

CONE OF THE MONTH: 𝘈𝘣𝘪𝘦𝘴 𝘧𝘳𝘢𝘴𝘦𝘳𝘪 (Fraser fir) by

Behold this beautiful Fraser fir cone by the very talented Mieke! This one comes complete with signs of balsam woolly adelgid *shudder*

To get beautiful cone stickers like this every month, become a Treemium member at the CONE CLUB level, over at arbortrarypod.supercast.com, link in bio.

Your monthly support means everything us. Big thanks to Mieke for delivering big time on this cone.

NEW EPISODE: common fig! (Ficus carica)Today we explore gluttony, and why the common fig is the perfect example of this ...
11/04/2024

NEW EPISODE: common fig! (Ficus carica)

Today we explore gluttony, and why the common fig is the perfect example of this deadly stem.

Find it anywhere you get your pods and check out our shiny new sponsor !!!!

NEW EPISODE - Weeping Willow 😭Hey Fungal Associates! We hope you’re having a good week and spending ample time being slo...
04/04/2024

NEW EPISODE - Weeping Willow 😭

Hey Fungal Associates! We hope you’re having a good week and spending ample time being slothful, one of our favorite deadly stems.

Today’s episode is on the wonderful—if not a touch trite—weeping willow. So what do you think? Is this tree overrated and tired, or refreshingly nostalgic and cool?

Listen anywhere you get your pods! 😢

Tomorrow… we’re getting slothful with our second deadly stem: the weeping willow! I couldn’t believe we hadn’t covered t...
03/04/2024

Tomorrow… we’re getting slothful with our second deadly stem: the weeping willow! I couldn’t believe we hadn’t covered this tree yet.

Enjoy tomorrow on any pod platform!

CONE OF THE MONTH: white spruce by  If you become a Treemium member (link in bio) in the next few days, you’ll have this...
29/03/2024

CONE OF THE MONTH: white spruce by

If you become a Treemium member (link in bio) in the next few days, you’ll have this incredible sticker sent to you next month… along with lots of other great rewards!

7 DEADLY STEMS 🩸 a 7 part series from Completely Arbortrary 🩸 premieres today!Over the next 7 episodes, we’ll be present...
28/03/2024

7 DEADLY STEMS 🩸 a 7 part series from Completely Arbortrary 🩸 premieres today!

Over the next 7 episodes, we’ll be presenting a tree that best represents each of the deadly sins. Today, we get l***y with the extremely h***y Coco-de-Mer—available everywhere!

Hey Fungal Associates! Happy Monday; hope you’re all had a fun weekend. We got a couple days of sunshine in Portland, re...
11/03/2024

Hey Fungal Associates! Happy Monday; hope you’re all had a fun weekend. We got a couple days of sunshine in Portland, reminding us once again that life is worth living lol.

RUST! Whatchu know about rust? Look at all these rusts! We’ve got a rusty episode for you this week. It is revolting and fun, and we hope you enjoy it! First few photos by our very own who has become quite the budding photographer.

What do all of these people have in common? No, they aren’t Sgt. Pepper album cover rejects; they all have trees named a...
28/02/2024

What do all of these people have in common? No, they aren’t Sgt. Pepper album cover rejects; they all have trees named after them! There is a very cool shake up happening in the bird world. Ornithologists are renaming every bird whose common name comes from a person. Why can’t we do the same with trees?… We did! Listen to tomorrow’s free TREEMIUM episode to hear Casey and I explore the possibility of renaming nature.

Available tomorrow anywhere you get your pods 💚

Introducing the Arbortrary ToteGet yours at the link in the bio. Use code NEWTOTE? for 10% off through the end of Februa...
23/02/2024

Introducing the Arbortrary Tote

Get yours at the link in the bio. Use code NEWTOTE? for 10% off through the end of February!

Feat. art by
Photo by

New Episode: Witch-Hazel 🤍Heyyy everybody. We have a brand new episode for you today (a very compact episode!). It’s all...
22/02/2024

New Episode: Witch-Hazel 🤍

Heyyy everybody. We have a brand new episode for you today (a very compact episode!). It’s all about the witch hazel. Casey was inspired to talk about this tree on a cold winter day walk, taking photos of trees for his new book. This is one of the few trees, in Portland at least, that blooms in winter. To us it’s a beacon of hope for better times to come. I know the world is terrifying and distressing right now and you may be feeling it wholly in your heart. Take solace in the beauty of nature, in the glimpses of life even in the darkest times.

Much love,
Alex and Casey

Cone of the Month: Totara by  Wow. Wowwwww. Look at our new friend, complete with Totoro cone. That’s right, this is the...
21/02/2024

Cone of the Month: Totara by

Wow. Wowwwww. Look at our new friend, complete with Totoro cone. That’s right, this is the *cone* of the totara tree (peep the episode a few weeks back) by and it’s this months Cone of the Month.

To get this sticker next month, support the podcast and join the Cone Club on Completely Arbortrary Treemium, link in bio

NEW EPISODE: Brazil Nut (𝘉𝘦𝘳𝘵𝘩𝘰𝘭𝘭𝘦𝘵𝘪𝘢 𝘦𝘹𝘤𝘦𝘭𝘴𝘢) 🇧🇷Hi everyone. We have a brand new episode for you today, all about Brazi...
15/02/2024

NEW EPISODE: Brazil Nut (𝘉𝘦𝘳𝘵𝘩𝘰𝘭𝘭𝘦𝘵𝘪𝘢 𝘦𝘹𝘤𝘦𝘭𝘴𝘢) 🇧🇷

Hi everyone. We have a brand new episode for you today, all about Brazil nut. If I learned anything from our last post it’s that MANY of you actually love these nuts (seeds) and my world was rocked. In this ep, you’ll learn about this tree’s incredibly weird flower, the fruit itself, farming practices, and the fact that these trees grow at least a quarter mile from their closest relative. Shoutout to Rhett and Danielle for making an appearance on this one.

Enjoy anywhere you get your pods

THURSDAY… the bane of the mixed nut: Brazil nut!Be honest, do you avoid Brazil nuts? This episode featuring Rhett and Da...
13/02/2024

THURSDAY… the bane of the mixed nut: Brazil nut!

Be honest, do you avoid Brazil nuts?

This episode featuring Rhett and Danielle from

NEW EPISODE - Western JuniperWe have an all-timer for you today, Juniperus occidentalis. Find it anywhere you get your p...
08/02/2024

NEW EPISODE - Western Juniper

We have an all-timer for you today, Juniperus occidentalis. Find it anywhere you get your pods. If you’re a TREEMIUM member, you have ad free listening to ALL of our episodes. Join the crew and support the pod at the link in the bio 💚

Cone of the Month: Austrian black pine cross-section by .medart Woweee happy 2024 everyone. Ringing in the new year with...
22/01/2024

Cone of the Month: Austrian black pine cross-section by .medart

Woweee happy 2024 everyone. Ringing in the new year with the AMAZING Pinus nigra from the incredible Shawna .medart

To get this sticker next month, join Completely Arbortrary Treemium’s Cone Club by the end of the month, link in bio!

New episode: Rimu (Dacrydium cupressinum) It’s time for the special talk… about the birds and the trees. Meet Rimu, a po...
18/01/2024

New episode: Rimu (Dacrydium cupressinum)

It’s time for the special talk… about the birds and the trees. Meet Rimu, a podocarp from New Zealand, and its lover and feathered friend the Kākāpō.

These two have a VERY special relationship. This bond is biological, baby. Enjoy the episode anywhere you get your pods!

HAPPY TREEYAZAKI! Spirited Away (Sakaki) ⛩️We had so much fun making this episode. We talk about the sakaki (Cleyera jap...
07/12/2023

HAPPY TREEYAZAKI! Spirited Away (Sakaki) ⛩️

We had so much fun making this episode. We talk about the sakaki (Cleyera japonica) and its place in Shinto. Then we get into the Shinto creation story and boy is it a doozy (maybe the only creation story to include a guy sh****ng on the floor). Then hear our thoughts on Spirited Away (spoiler: we love it). And PLEASE tell us what you love about Spirited Away in the comments.

Introducing Completely Arbortrary Treemium - arbortrarypod.supercast.com / LINK IN BIO 💚We are very pleased to finally a...
04/12/2023

Introducing Completely Arbortrary Treemium - arbortrarypod.supercast.com / LINK IN BIO 💚

We are very pleased to finally announce a huge change in how you support Completely Arbortrary. We are moving from Patreon to our very own, new support platform. We’re calling it Treemium.

Bonus audio content, livestreams, monthly cone stickers, ad-free listening, early access to live events and exclusive merch… it’s all over at Completely Arbortrary Treemium.

If you get to the end of your month and believe that the education and entertainment we gave you for free is worth $6, $12, $15… consider supporting the podcast. Not only does it keep the lights on, but you get realllly cool rewards.

PLUS, now we’re offering annual subscriptions and GIFTED subscriptions!!!

We thank everyone who supports the show, in one way or another. To join in, start at arbortrarypod.supercast.com.

If you’re already a Patreon member, there’s a handy migration tool / link in bio

November Cone of the Month - SUGI! By  Check it outtt! This month’s Patreon cone sticker is the sugi (Cryptomeria japoni...
17/11/2023

November Cone of the Month - SUGI! By

Check it outtt! This month’s Patreon cone sticker is the sugi (Cryptomeria japonica) by Sarah over at . Sarah sent us some fan art, and we loved it so much we commissioned a cone from her.

To get this sticker next month, join the Cone of the Month Club over at Patreon.com/arbortrarypod

Can you guess the subject of tomorrow’s new episode based on this man’s face?
15/11/2023

Can you guess the subject of tomorrow’s new episode based on this man’s face?

Hi :) we’re still here. Apologies for our social media absence. We hope you’ve enjoyed the last few episodes we’ve negle...
15/11/2023

Hi :) we’re still here. Apologies for our social media absence. We hope you’ve enjoyed the last few episodes we’ve neglected to promote. Casey and I are going through big life changes, in so many ways, and when we get really busy and consumed social media is always the first thing to go.

BUT now that we’re settled, we’re back. And boyyyyy do we have some ~NEWS~ to share over the next few weeks. We can’t wait to share it with you, so if you give a hoot about this silly podcast, please stay tuned to our Instagram, newsletter, and the pod itself.

MUUUUCH love to you all 💚

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