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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.

Dec 23, 2022

In this roundtable, we talk about drafting and drawing with Lisa Nunamaker, of Paper Garden Workshop, and Amy Fedele, of Pretty Purple Door, two fabulous garden educators who offer online courses in landscape graphics. Leah took courses from both instructors this year -- Lisa's Garden Graphics Toolkit and Amy's Great at...

Nov 3, 2022

A rose by any other name would smell as sweet, but some of the common names we use for plants downright stink! In this episode, we're diving into problematic colloquial names. Some common names are geographically misleading (“Jerusalem artichoke”); others are xenophobic, racist, or antisemitic ("wandering Jew");...

Oct 24, 2022

Attention plant lovers! Central Texas Seed Savers is hosting a Seed Swap at the Austin Central Library (710 W. Cesar Chavez St) on Saturday, October 29 from 11-1pm. This event is free and open to the public.  Bring seeds to share! Or just come get some seeds! For more info, visit

Sep 3, 2022

In this episode, Colleen unearths as much as she can about the largely unwritten history of plant pots.

When did humans start growing plants in containers?

How did innovations in materials and technology lead to the domestication of plants, plant collecting, and the growth of the nursery industry?

Why are plant pots so...

Aug 5, 2022

We're back with a salute to Monty Don, beloved British gardening expert, author, and fashion icon, whose infectious passion for plants is boosting our spirits through this bummer summer. 

Though little known in the US, jaunty Monty is a big celebrity across the pond, as the host of the BBC's Gardener's World, Big...