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Hothouse is a podcast about design, ecology, and the way we garden now. Host Leah Churner sits down with experts and enthusiasts to talk about permaculture, the urban landscape, and how plants sometimes give us the feels. A meeting of the minds for plant people and the horticulture-curious, Hothouse is a different kind of gardening show: less of the how-to and more of the who, what, where, when, and why.

Mar 6, 2020

How did the invention of time-lapse photography revolutionize our understanding of plants? Leah checks in with Charles Darwin and Barbara Streisand on this subject. Colleen explains how to get certified as an arborist through the International Society of Arboriculture, and brings us up to speed on some Facebook drama. But first, garden updates: it's been a bad year for the roses. Watch the time-lapse videos from the episode at

Email us at Our theme song is “Plants” by The Horticulturati House Band. 

Mentioned in this episode: Tree Folks Urban Forest Stewards Program; "The Secret Life of Plants: Visualizing Vegetative Movement 1880-1903" by Oliver Gaycken in Early Popular Visual Culture (Feb 2012);  Charles Percy's The Birth of a Flower (1910); The Revolutionary Genius of Plants by Stefano Mancuso; Science in Action: Time Lapse Photography (1964); On A Clear Day You Can See Forever (1970)