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Terence Kemp McKenna

Meet the famous author, botanist and psychonaut Terrence Kemp McKenna. Did you know that he developed the first reliable method to successfully cultivate Mushrooms indoors? Learn more about McKenna in this article. 

Fossils and Aldous Huxley 

McKenna grew up in Colorado and developed a keen interest in scientific nature from an early age on. As a child, he was fascinated with fossils and would hunt them for his collection. He was introduced to the world of Psychedelics by reading Aldous Huxley’s famous book The Doors of Perception.

Mushrooms in the Colombian Amazon

In 1970, McKenna’s mother died of cancer. As a result, McKenna and his brother Dennis travelled to the Colombian Amazon to find a plant called oo-koo-hé, which contains DMT. DMT is often associated with Ayahuasca, an Amazonian brew that is traditionally used in shaman rituals. 

Note: In the 20th century, DMT has become known to attract European visitors to South America, looking for a guided trip that helps relive traumatic experiences to overcome them. 

Instead of finding oo-koo-hé, the brothers found a field full of Psilocybine Cubensis'. After that, Psilocybine became McKenna’s primary focus.

The Magic Mushroom Grower’s Guide

In the 1970s the McKenna brothers developed a reliable method to grow Mushrooms at home, using spores they brought back from the Amazon.  

In 1971 they published their findings in Psilocybin: Magic Mushroom Grower's Guide under the synonyms O.T. Oss and O.N. Oeric. By 1986, the book had sold over 100.000 copies. 

Their method involved using ordinary kitchen instruments, which allowed ordinary growers to easily cultivate mushrooms from the comfort of their own home, without investing in sophisticated equipment.

Later life and Stoned Ape theory

McKenna became an outspoken enthusiast of hallucinogenic drugs and was a pioneer of the Psychedelic Movement. Some even call him the 'Timothy Leary of the 90s'. He spoke on a wide range of topics, including shamanism, languages and evolution. 

One of his evolutionary theories is the Stoned Ape theory, which suggests that the human race developed from Homo Erectus because of Psilocybe Cubensis in its diet.  

Giving thanks where thanks are due

It is Terrence Kemp McKenna that we have to thank for the cultivation of indoor Mushrooms. Without his expeditions and relentless research, Grow Kits would most likely not be possible. 

Did you know there is a Grow Kit that is named in honour of McKenna? Read more about the McKennaii strain here.


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