As the growing movement toward the decriminalization and therapeutic use of psychedelics gains momentum, one particular day has begun to capture the imagination of the psychedelic community: September 20—affectionately known as “Psychedelic Mushroom Day.” Much like April 20 (4/20) has become a symbolic date for cannabis culture, 9/20 is emerging as a day dedicated to honoring the profound history, cultural significance, and potential healing powers of psychedelic mushrooms, specifically those containing psilocybin.
Why September 20?
The choice of September 20 as Psychedelic Mushroom Day is no accident. September is the time when psilocybin mushrooms, found in the wild across many parts of the world, begin to fruit in abundance. This annual harvest season aligns with the growing interest in psilocybin’s powerful therapeutic effects and its role in indigenous spiritual practices.
The “9/20” celebration is a nod to the calendar day, symbolizing an opportunity to reflect on how psychedelic mushrooms can promote healing, transformation, and self-awareness, as well as to advocate for the removal of outdated stigmas and policies that still classify them as Schedule I substances in many countries.
The Ancient Roots of Psilocybin Use
Humans have used psychedelic mushrooms for thousands of years. Historical records and archaeological findings show that various cultures, from the Aztecs in Mesoamerica to indigenous peoples in Siberia, have long regarded these mushrooms as sacred tools for spiritual exploration and healing. The Aztecs referred to them as teonanácatl, or “flesh of the gods,” which underscores their belief that these mushrooms allowed individuals to commune with the divine.
In modern times, psilocybin has gained scientific attention for its ability to treat various mental health conditions such as depression, anxiety, PTSD, and addiction. The psychedelic renaissance of the 21st century is picking up where 1950s and 60s research left off before being derailed by the criminalization of psychedelics in the late 1960s. Now, with a fresh wave of clinical studies, psilocybin is making its way back into the mainstream.
The Therapeutic Potential of Psilocybin Mushrooms
In recent years, scientific research has been increasingly clear about the therapeutic benefits of psilocybin. Studies from prestigious institutions such as Johns Hopkins University, Imperial College London, and New York University have shown that a single psilocybin-assisted therapy session can lead to profound improvements in mental health, often when conventional treatments have failed.
- Depression and Anxiety: Clinical trials have demonstrated that psilocybin can significantly reduce symptoms of depression and anxiety, particularly in patients with terminal illnesses. It can help break the cycle of negative thought patterns, often providing long-lasting relief after just one or two sessions.
- Addiction Treatment: Psilocybin has shown promise in helping people overcome addictions to substances like alcohol and tobacco. By promoting self-reflection and emotional processing, psilocybin can help individuals confront the root causes of their addictive behaviors.
- PTSD and Trauma: Research suggests that psilocybin, much like other psychedelics such as MDMA, can facilitate the emotional release and processing necessary for healing trauma. Many veterans and survivors of trauma have reported transformative breakthroughs through psilocybin therapy.
The Legal Landscape: A Shifting Paradigm
The legal status of psilocybin is in flux. While it remains illegal at the federal level in many countries, including the United States, several local and state jurisdictions have moved to decriminalize or legalize its use in certain contexts. In 2020, Oregon became the first U.S. state to legalize psilocybin for therapeutic use, a watershed moment that many believe could set the stage for nationwide legalization in the coming years.
Moreover, cities like Denver, Oakland, and Ann Arbor have decriminalized psilocybin mushrooms, allowing for personal use and cultivation without the risk of prosecution. These changes are part of a broader shift in how society views psychedelics, acknowledging their potential benefits rather than focusing on the outdated, fear-based rhetoric of the past.
How to Celebrate Psychedelic Mushroom Day
Psychedelic Mushroom Day is not just about personal exploration—though many choose to use this day as a time for intentional psychedelic journeys, whether for healing, reflection, or connection with nature. It’s also about advocating for broader access to psilocybin and raising awareness about its benefits.
Here are some ways to celebrate 9/20:
- Learn and Educate: Take time to read up on the latest research, watch documentaries, or attend virtual seminars about the therapeutic use of psilocybin. Sharing this knowledge with others helps reduce stigma and spread awareness.
- Advocacy: Get involved with organizations working toward psychedelic legalization or decriminalization, such as Decriminalize Nature or the Multidisciplinary Association for Psychedelic Studies (MAPS). Many of these groups hold events and offer resources to help you get started.
- Personal Reflection or Group Ceremony: For those in areas where psilocybin is legal or decriminalized, some choose to partake in a ceremonial or therapeutic experience. Whether alone in nature or with a trusted guide, these experiences can offer profound insights into the self and the interconnectedness of life.
- Support Mental Health and Harm Reduction: Engage with mental health advocacy or harm reduction groups to support safe, responsible use of psychedelics. Harm reduction practices ensure that those who choose to explore psilocybin can do so in an informed, safe, and intentional way.
The Future of 9/20
As the world continues to reckon with mental health crises and the limitations of traditional treatment methods, psilocybin is gaining recognition as a potentially transformative tool. Psychedelic Mushroom Day is a celebration of both the past and future of this incredible fungus—honoring its ancient use in spiritual practice while also advocating for its modern-day therapeutic applications.
Ultimately, 9/20 is more than just a date on the calendar. It represents a movement toward understanding, healing, and the integration of psychedelics into society in a way that respects both their power and potential. With the combined efforts of researchers, advocates, and everyday people, the vision of a world where psilocybin is accepted and accessible for those who need it may be closer than ever before.
So this 9/20, take a moment to reflect on the rich history of psychedelic mushrooms and their potential to transform both individual lives and society as a whole. The future of psilocybin is bright, and Psychedelic Mushroom Day is an opportunity to celebrate the journey ahead.

