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Episodes of Hothouse

Welcome to Hothouse Season 2! If you follow any flower farmers on Instagram, the romance may be all too tempting: picture yourself quitting the city, fixing up an old farmhouse, and spending your days harvesting flowers and arranging bouquets o
Springtime is owl time. Owlets be hatching. Fledglings be fledging. Owl  cams be streaming. Enter, with us, the kingdom of the night, as we celebrate these mysterious and beautiful birds. Drop us a line at or call the Hot
We're live from Zone 8b with a tell-all about the "epistemological quandary" that is the USDA Plant Hardiness Zone Map. What is hardiness? How is it quantifiable? And how useful is the USDA's classification system for gardeners grappling with e
On this Horticulturati, we return from hiatus with tales of the Snowpocalypse -- or  Snowmageddon, Snowvid, whatever you want to call it -- to document the record-breaking winter weather that broke Texas' electric grid and ushered in a scary ne
On this episode, we discuss virtual foliage, time travel, and big trees. Colleen looks into how video games might play a role in curing plant blindness, and Leah shines a light on the remarkable life and legacy of Margret Hofmann (1925-2012),
Fertilizers...oxidizers...explosions! We’re still trying to wrap our brains around Ammonium Nitrate over here, so we called on science superstar Dr. Kate Biberdorf, aka Kate the Chemist, to help us out. What is Ammonium Nitrate, and why is this
Autumn has come to Texas at long last! To celebrate, we watched the documentary Five Seasons: The Gardens of Piet Oudolf (2017) by Thomas Piper, and we're now officially card-carrying Piet stans sporting Dutch accents, asymmetrical haircuts, an
Crossover alert! This Horticulturati episode is a twofer. In part one, we check in about the busy fall planting season over chocolate bread and mulled wine. After many months of Zooming, we’re back to in-person, social-distance recording from C
On this mega-episode of the Horticulturati, we’re tackling garden design--our approaches, our anxieties, and our gripes about “expert” sources of mystifying advice and misleading photography. Garden design books are rife with the jargon of art
Why are we putting explosives on our plants? On this episode, Colleen charts the history of ammonium nitrate, the synthetic fertilizer that propelled the rise of industrial agriculture in the 20th century--cheap to manufacture, but spectacularl
Turtle rabbit. Shell possum. Roadkill. Whatever you call it, the nine-banded armadillo is a mysterious, ancient, and unfairly maligned mammal. Find out everything you ever wanted to know (and more) about this Texas icon. Leah traces the armadil
Yes, it's another cross-posted episode! On this Horticulturati, we dive into the "seeds from China" story and discuss the implications and ramifications in the context of the political moment, which brings us back to an endlessly debatable ques
Hothouse is returning from hiatus! From here on out this podcast feed will be all Hothouse, so if you want to keep hearing The Horticulturati, please subscribe to that feed HERE (for Apple Podcasts) or HERE (for Spotify).   Crape myrtles are b
Please donate to The National Bail Fund Network! On this Horticulturati, Colleen teaches us the best way to build a compost pile. Leah forages far and wide and lives to tell the tale.  Visit our website for images from this episode.   Mentione
On this Horticulturati, we bring you stories of adaptation and change. Leah has been studying up on butterfly holometabolism -- that is, complete metamorphosis -- with assistance from her niece, nephew, and Vladimir Nabokov. Colleen describes t
What’s the deal with mulch? Why do we do it? Where does it come from? Mulch is a noun, a verb, and--for many--a pile of mystery. On this episode, we delve into mulch's history, weigh in on the bag vs. bulk debate, and call into question the who
How is the global pandemic impacting local food systems? We interview @Hallie_Casey of Sustainable Food Center and On To Grow On podcast to find out. We discuss food supply chains, how local farmers’ markets are adapting, and who counts as “es
Best wishes to everyone! Here is a little plantastic escapism to entertain you. [We recorded this episode on 2/28 and added a little corona check-in intro on 3/21. Episode begins around 4:19.] Can plants “hear” music? What would plant-generated
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
Shake off those umbrellas! On episode 2 of The Horticulturati, Austin-based garden designers Colleen Dieter and Leah Churner discuss  Central Texas’ mercurial climate. Specifically, the rain. And the lack thereof. Leah explains how longitude is
On the premiere episode of The Horticulturati, Austin-based landscape designers Colleen Dieter and Leah Churner discuss the majesty of Joshua Trees and the thorns of Martha Stewart. But first, it's gardeners' corner: Colleen plants an orchard f
Hi Hothouse listeners! Hothouse Season 2 is still in the works, but guess what! I'm launching a spinoff podcast: The Horticulturati!  The Horticulturati is a biweekly gardening talkshow I'm cohosting with my friend, and repeat Hothouse guest, C
The upcoming season of Hothouse is devoted to climate change. I'll be talking to activists, artists, farmers, and journalists about the new normal that we face in 2019. How is climate change already affecting our lives? What can we do to limit
The upcoming season of Hothouse is devoted to climate change. I'll be talking to activists, artists, farmers, and journalists about the new normal that we face in 2019. How is climate change already affecting our lives? What can we do to limit
On this episode, we’re taking an intimate look at the the most domesticated plants of all: houseplants. My guest, Jane Perrone, is a London-based journalist and the host-producer of the indoor gardening podcast On The Ledge. We’ll discuss Jane
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