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Screening of The Secret Life of Plants and Plant Music Performance


Artist John Lifton-Zoline at the San Francisco Conservatory of Flowers. Image courtesy Richard Lowenberg.

Join us for a special screening of The Secret Life of Plants, accompanied by a live plant music performance by Kal Spelletich.

Screening of The Secret Life of Plants and Plant Music Performance

Friday, September 5, 2025

Doors: 6:30PM

All Ages

Seated screening

View our FAQ page for more info, or contact us at [email protected] with any accommodation requests.

About the Event

Whether you’re a plant lover, nature advocate, biotech enthusiast, spiritual seeker, or just a fan of Stevie Wonder, you’ve likely come across the film The Secret Life of Plants. Originally a book by Peter Tomkins and Chris Bird published in 1973, it explored the idea of plant sentience. Although the book was dismissed by the scientific community, the story evolved into a film that pushed forward the argument about plant intelligence. A few know that a fragment of the legendary film was shot in San Francisco, featuring some of the prominent figures of video art and electronic music at the time.

Revisiting the local history – living to the present as the Conservatory of Flowers – we invite you to a screening event, accompanied by a live plant music performance of Kal Spelletich. This is a chance to immerse ourselves in the groovy world of the 70s, to question our inherent speciesism, to reflect on the limitations of our 6-senses-based perception of the world, while also keeping a critical attitude towards some propositions of the film.

This event is curated by Anastasia Chernysheva, Research Fellow at Gray Area.

A view of the “crystal palace” structure opens the scene of The Secret Life of Plants (1979), blurring the boundary between the dream and reality. Within a few seconds exposition changes: walking a viewer inside the greenhouse, along with other visitors. Inside, we see a man operating audio and video synthesizers producing, as one of the screens suggests, “green music.” The whole segment lasts less than 2 minutes. The project featured in the film became a result of a collaboration between John Lifton-Zoline, Jim Wiseman, Tom Zahuranec, and ichard Lowenberg.

The plant music was one among many projects of the series called "Bio-Dis-Plays", a collaboration between artists and NASA in the Bay Area of the 1970s. Using multi-channel bio-telemetry systems, data sourced from performers' physiology (EEG, EKG, EMG, etc.) was fed into audio (Tcherepnin) and video (Sandin/Paik-Abe) synthesizers — allowing the creation of original yet little-known biofeedback media artworks. Recalling work on the project, Lowenberg shared:

"Over the course of four days in June 1976, while open to the public, six large plants in the center of the glass Plant Conservatory in San Francisco’s Golden Gate Park (modeled on Kew Gardens, in London), produced an audible, live musical score, based on simple bio-electric sensing of their responses to light, temperature, movement and other physio-environmental factors (sensed by gold needle electrodes at the base of the plant stem/root)." (Lowenberg, 2013)

About the Artists

Kal Spelletich

Born and raised in Iowa, the seventh of nine children. He has degrees from the University of Iowa, and an M.F.A. from The University of Texas at Austin in Media Art. He has performed, exhibited and lectured worldwide, collaborating with scientists, musicians, and politicians. The work raises open-ended questions about the dominant economic producers of technology, the role of the collective in capitalism and economic and educational privilege. He is an anarchist, activist, guerrilla gardener and educator investigating how to see these times we live in and developing the means to create a different world.

Spelletich has exhibited the past 43 years at De Young Museum, SFMOMA, The Exploratorium Museum and Yerba Buena Center for the Arts, San Francisco, CA, California Folk Art Museum, Los Angeles, CA, Oakland Museum of California, Headlands Center for the Arts, Deitch Projects, NYC, The Catharine Clark and Anglim Trimble Galleries, Punk Clubs and underground artist spaces all over the world.

Internationally, at Ars Electronica, Austria, ZKM, Karlsruhe Germany, Tacheles and Eschschloraque, Rümschrümp, Berlin, Robodock, Amsterdam, Paris, Namibia, India, Den Haag, Switzerland, Germany, Croatia, France, Czech Republic, Holland, England, Slovakia and Spain to name a few.

Partner Organizations

PLANTChoir Inc.

PLANTChoir is a small, durable, Bluetooth device that allows you to compose, generate, and listen to real-time music produced by plants. Using biofeedback technology and a custom mobile app, PLANTChoir allows you to interact with your plants in a way that has never been experienced before.

Founded by James Brown, an entrepreneur with expertise in psychology and polygraph technology, the company is based in Ontario, Canada.

San Francisco Conservatory of Flowers

The Conservatory of Flowers is a glasshouse filled with rare and unusual tropical plants located in Golden Gate Park. The oldest existing wood-and-glass conservatory in North America, the Conservatory of Flowers houses nearly 2,000 species.It is operated by the Gardens of Golden Gate Park, which jointly operates the Conservatory of Flowers, Japanese Tea Garden, and San Francisco Botanical Garden.

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