Thigmomorphogenesis, or Why Most Trees Don’t Fall Over, 28 May | Event in Portland | AllEvents

Thigmomorphogenesis, or Why Most Trees Don’t Fall Over

Science on Tap - Oregon & Washington

Highlights

Wed, 28 May, 2025 at 07:00 pm

1.5 hours

The Alberta Rose Theatre

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Date & Location

Wed, 28 May, 2025 at 07:00 pm to 08:30 pm (PDT)

The Alberta Rose Theatre

3018 Ne Alberta St, Or 97211-7036, Oregon, Portland, United States

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About the event

Thigmomorphogenesis, or Why Most Trees Don’t Fall Over
Have you ever noticed a tree not fall over? A tree’s natural state is upright—it’s their default mode. Yet, myths pervade:

“You should thin your tree”
“You should top your tree”
“Douglas-firs have shallow roots”
“Lone trees are more likely to fall”
“The roots will ruin my foundation”
“That tree will fall and K*ll my whole family”

Despite the ubiquity of normal, upright trees around us, we often only notice those scattered few that stop being upright, most often in extreme weather. And frankly, those few sully the good reputation of the thousands of others.

In the Pacific Northwest, our trees grow to be some of the tallest and largest organisms on the planet, and that can be understandably intimidating as you watch them bend and sway during winter weather from your home. Luckily, our trees did not achieve their prominence by accident, and this talk will explain what the trees are doing, how they react to their environment, and what you can do to make sure your trees are safe.

How does a tree build itself? How does it choose which direction to grow? Is it a giant, static monolith waiting to crush everything beneath it? or a dynamic, self-optimizing living system that wants to keep itself upright arguably more than you? Join us on a journey through the lifecycle of a tree: how it grows, lives, and dies. In other words: how do trees become trees and what makes them so good at it?

An arborist, a dendrologist, an educator, Casey Clapp is the principal consultant with Portland Arboriculture and co-host/co-creator of CompletelyArbortrary, a weekly podcast about trees and other related topics.


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Ticket Info

Tickets for Thigmomorphogenesis, or Why Most Trees Don’t Fall Over can be booked here.

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Nearby Hotels

The Alberta Rose Theatre, 3018 NE Alberta St, Portland, OR 97211-7036, United States,Portland, Oregon

Just a heads up!

We have gathered all the information for you in one convenient spot, but please keep in mind that these are subject to change.We do our best to keep everything updated, but something might be out of sync. For the latest updates, always check the official event details by clicking the "Find Tickets" button.

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Thigmomorphogenesis, or Why Most Trees Don’t Fall Over, 28 May | Event in Portland | AllEvents
Thigmomorphogenesis, or Why Most Trees Don’t Fall Over
Wed, 28 May, 2025 at 07:00 pm