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Table of Contents

The Guide to the PF Classic Mushroom

pf mushrooms
Table of Contents

Introduction – Overview of PF Classic Mushroom Strain

PF Classic, a renowned variety of Psilocybe cubensis, holds a special place in the world of magic mushrooms. Developed by the legendary mycologist Robert McPherson, also known as Psilocybe Fanaticus (PF), this strain has been a staple for cultivators and enthusiasts since the early 1990s. The PF Classic strain is characterized by its distinctive large caps and dark brown spores, making it easily recognizable among other cubensis strains.

Importance of Understanding PF Classic

Understanding the PF Classic strain is crucial for several reasons. First, its ease of cultivation using the PF-Tek method makes it an ideal choice for beginners. This technique, pioneered by McPherson, revolutionized mushroom cultivation by providing a simple, effective way to grow Psilocybe cubensis mushrooms at home. Additionally, the strain’s slow maturation process means cultivators can harvest mushrooms at their full maturity without the risk of immediate spore release, preserving the quality of the fruiting bodies.

Purpose and Scope of the Article

This article aims to provide a comprehensive guide to the PF Classic strain, covering its specifications, historical background, potency, and cultivation techniques. Whether you are a novice grower or an experienced mycologist, this guide will offer valuable insights into the unique characteristics and benefits of the PF Classic strain. The article will also address common questions and provide resources for obtaining high-quality spores, ensuring you have all the information needed to successfully grow and enjoy this classic variety of Psilocybe cubensis. PF Classic spores are also available for microscopy and taxonomy purposes, and the images provided are for informational and educational reference only.

PF Classic Strain Specs

pf classic shrooms

Potency: Weak to Average

The PF Classic strain of Psilocybe cubensis is known for its weak to average potency. This makes it an excellent choice for beginners who are just starting their journey with magic mushrooms. The tryptamine content of the PF Classic is relatively low compared to other cubensis strains, providing a gentler psychedelic experience. Users can expect subtle visual and auditory distortions along with mild euphoria and introspection.

Cultivation Difficulty: Beginner-Friendly

One of the standout features of the PF Classic strain is its ease of cultivation. It is particularly suited for those new to mushroom growing due to its resilience and compatibility with the PF-Tek method, a cultivation technique also developed by Robert McPherson, aka Psilocybe Fanaticus. The strain’s forgiving nature means it can thrive even with minimal cultivation experience, making it a popular choice for novice growers.

Species: Psilocybe cubensis

PF Classic is a strain of the species Psilocybe cubensis, a widely recognized and cultivated magic mushroom species. Psilocybe cubensis is known for its large caps and thick stems, which are characteristic of many cubensis strains. The species is famed for its psychoactive properties, primarily due to its psilocybin and psilocin content.

Substrate Recommendation: BRF (Brown Rice Flour) Cakes

For optimal growth, the PF Classic strain thrives on BRF (Brown Rice Flour) cakes, which are a staple in the PF-Tek method. This substrate provides the necessary nutrients for the mushrooms to develop robust mycelium and eventually produce healthy fruiting bodies. The use of BRF cakes is recommended for maintaining consistency and achieving successful yields, especially for those following the PF-Tek cultivation technique.

Key Characteristics

  • Appearance: PF Classic mushrooms typically exhibit large caps that range from yellow to dark brown in color. The caps are often bulbous when young and flatten out as they mature.
  • Spores: The spores of the PF Classic strain are dark brown, a common trait among many Psilocybe cubensis strains.
  • Maturity: These mushrooms mature slowly, which allows cultivators to harvest them at full maturity without the immediate risk of spore release, thus preserving the quality of the mushrooms.
  • Fruiting Bodies: The fruiting bodies are sturdy and resilient, capable of withstanding various growing conditions.

Benefits of PF Classic Strain

  • Ease of Cultivation: Ideal for beginners due to its compatibility with the PF-Tek method and resilience against common cultivation issues.
  • Controlled Potency: Offers a manageable psychedelic experience, suitable for those who prefer a milder trip or are new to psychedelics.
  • Reliable Growth: Consistent yields and a forgiving growth process make it a reliable strain for both novice and experienced cultivators.

By understanding the specifications of the PF Classic strain, cultivators can optimize their growing conditions and expectations, ensuring a successful and rewarding cultivation experience.

History of the PF Classic Strain

pf classic spores

Origin and Development by Robert McPherson

The PF Classic strain, a significant variant of Psilocybe cubensis, was developed by Robert McPherson, widely known by his pseudonym Psilocybe Fanaticus (PF). McPherson, a pioneering figure in the mycology community, created this strain to be particularly user-friendly for novice cultivators. His innovative approach to mushroom cultivation led to the development of the PF-Tek method, a simple and effective technique for growing Psilocybe cubensis mushrooms at home.

The Significance of the “PF” in PF Classic

The “PF” in PF Classic stands for Psilocybe Fanaticus, McPherson’s online moniker. This naming not only pays homage to the creator but also signifies the strain’s strong association with the PF-Tek cultivation method. The PF Classic strain is designed to complement this technique, making it accessible for beginners to achieve successful growth with minimal resources.

Evolution and Popularity Over the Decades

Since its introduction in the early 1990s, the PF Classic strain has garnered a loyal following among mushroom enthusiasts. Its reputation for ease of cultivation and consistent yields has made it a staple in the community. Over the decades, the strain has maintained its popularity due to its resilience and the straightforward nature of the PF-Tek method. This enduring popularity highlights the strain’s effectiveness and the ongoing relevance of McPherson’s contributions to mycology.

Legal Challenges and Impact on Distribution

The journey of the PF Classic strain has not been without its challenges. In 2003, McPherson’s home was raided by the DEA, leading to the shutdown of his spore-selling business. Despite these legal hurdles, the PF Classic strain continued to thrive in the underground market, with spores being distributed through various channels. This resilience ensured that the strain remained available to cultivators worldwide, further cementing its status as a classic in the realm of magic mushrooms.

Key Milestones in PF Classic’s History

  • 1990s: Introduction of PF Classic by Robert McPherson.
  • Early 1990s: Development and popularization of the PF-Tek method.
  • 2003: DEA raid and subsequent shutdown of McPherson’s spore business.
  • Post-2003: Continued distribution of PF Classic spores through alternative vendors.

The Legacy of Robert McPherson

Robert McPherson’s contributions extend beyond the creation of the PF Classic strain. His development of the PF-Tek method revolutionized mushroom cultivation, making it accessible to a broader audience. McPherson’s legacy lives on through the widespread use of his techniques and the enduring popularity of the PF Classic strain, which continues to be a preferred choice for both novice and experienced cultivators.

PF Classic Strain Potency & Psilocybin Content

Average Tryptamine Levels

The PF Classic strain of Psilocybe cubensis is known for its moderate potency. On average, the tryptamine content, which includes psilocybin and psilocin, ranges from 0.50% to 0.90%. This places the PF Classic in the lower to mid-range of potency among cubensis strains. This moderate level of psychoactive compounds makes it suitable for both beginners and those seeking a milder psychedelic experience.

Comparison with Other Strains

When compared to other cubensis strains, the PF Classic’s potency is relatively modest. For instance, strains like Penis Envy are known for their high psilocybin content, often exceeding 1.5%. In contrast, PF Classic offers a more approachable experience with its average tryptamine levels. This makes it a preferred choice for those new to magic mushrooms or those who prefer a less intense trip.

Ideal Usage Scenarios for PF Classic

Given its moderate potency, the PF Classic strain is ideal for various scenarios:

  • Beginners: Those new to magic mushrooms will find the PF Classic a manageable introduction to psilocybin experiences.
  • Microdosing: The strain’s consistent potency makes it suitable for microdosing, allowing users to experience subtle benefits without strong psychoactive effects.
  • Social Settings: The mild effects of PF Classic can be enjoyable in social environments, providing a relaxed and euphoric state without overwhelming visuals or deep introspection.
  • Creative Exploration: Artists and creatives may find the PF Classic strain useful for enhancing creativity and breaking through mental blocks without the intensity that stronger strains might induce.

Key Characteristics

  • Potency: Moderate, with tryptamine levels averaging between 0.50% and 0.90%.
  • Experience: Mild to moderate psychedelic effects, including subtle visual and auditory distortions, enhanced creativity, and a sense of euphoria.
  • Usage: Ideal for beginners, microdosing, social settings, and creative exploration.

The PF Classic strain’s balanced potency and versatility make it a valuable addition to any mycologist’s collection. Its ability to provide a consistent and manageable psychedelic experience is a testament to the enduring legacy of Robert McPherson, aka Psilocybe Fanaticus, and his contributions to the world of magic mushrooms.

Where to Buy PF Classic Spores

pf classic mushroom

Reputable Vendors in the United States

Purchasing PF Classic spores from reputable vendors ensures quality and viability, which are critical for successful cultivation. In the United States, several well-established suppliers provide high-quality PF Classic spores:

  • Spores 101: Known for its wide selection of Psilocybe cubensis spores, Spores 101 offers PF Classic spores that are well-regarded for their purity and reliability.
  • The Magic Mushroom Shop: This vendor offers a variety of cubensis strains, including the PF Classic. They are renowned for their customer service and fast shipping.
  • MYYCO: MYYCO provides high-quality spore syringes and prints, including the PF Classic strain. Their products are verified through rigorous quality control measures.

Reliable Sources in Canada

For Canadian cultivators, several trusted suppliers offer PF Classic spores, ensuring easy access and compliance with local regulations:

  • Sporeslab: Based in Canada, Sporeslab offers a range of cubensis strains, including PF Classic. They emphasize quality and customer satisfaction.
  • Miracle Farms: This supplier is well-regarded for its consistent and viable spores. Their PF Classic spores are a popular choice among Canadian growers.
  • Planet Spores: Known for their extensive catalog and reliable shipping, Planet Spores provides high-quality PF Classic spores and related products.

Trusted Suppliers in Europe

European cultivators can access PF Classic spores from several reputable sources, ensuring compliance with regional regulations and quality standards:

  • The Magic Mushrooms Shop: Serving customers across Europe, this shop offers PF Classic spores with a strong emphasis on quality and customer service.
  • Shiny Spores: Based in the UK, Shiny Spores provides high-quality spore samples, including the PF Classic strain, with a focus on purity and reliability.

Tips for Ensuring Quality Spore Purchases

When purchasing PF Classic spores, consider the following tips to ensure you receive high-quality and viable products: High-quality spores are essential for microscopy and taxonomy purposes, ensuring accurate and reliable results.

  • Check Reviews: Look for vendors with positive customer reviews and testimonials to ensure reliability.
  • Verify Purity: Ensure the spores are free from contaminants by checking if the vendor follows strict quality control measures.
  • Consider Packaging: Proper packaging helps maintain the viability of spores. Look for vendors who use secure and sterile packaging methods.
  • Customer Support: Choose vendors with responsive and helpful customer support to address any issues or concerns promptly.

Summary of Key Points

  • Reputable Vendors in the United States: Spores 101, The Magic Mushroom Shop, MYYCO.
  • Reliable Sources in Canada: Sporeslab, Miracle Farms, Planet Spores.
  • Trusted Suppliers in Europe: The Magic Mushrooms Shop, Shiny Spores.
  • Quality Assurance Tips: Check reviews, verify purity, consider packaging, and ensure robust customer support.

By selecting trusted suppliers and following these tips, cultivators can confidently purchase PF Classic spores and embark on their mushroom cultivation journey with a solid foundation.

PF Classic Strain Variations & Genetic Relatives

PF Redspore: Characteristics and Differences

The PF Redspore is a distinct variant of the PF Classic strain, notable for its unique spore color. Unlike the standard PF Classic, which features dark brown spores, the PF Redspore exhibits a striking reddish hue. This variation is not just a visual anomaly; the red spores are believed to have slight genetic differences that may affect growth patterns and the appearance of fruiting bodies.

  • Spore Color: Reddish tint, distinguishing it from the typical dark brown.
  • Growth Dynamics: Exhibits similar growth characteristics to PF Classic but may develop slightly larger fruiting bodies.
  • Cultivation Tips: Requires similar conditions as PF Classic, but some cultivators report better yields under slightly higher humidity.

PF Albino: Unique Traits and Cultivation Challenges

The PF Albino variant is renowned for its distinctive albino appearance, characterized by its white to off-white coloration and the absence of melanin. This genetic mutation results in strikingly pale fruiting bodies, often with a translucent quality.

  • Appearance: Pale white or off-white, with translucent stems and caps.
  • Cultivation Challenges: Requires careful monitoring of substrate moisture and light conditions to maintain its unique color and promote healthy growth.
  • Genetic Traits: Known for a higher psilocybin content compared to standard PF Classic, making it a prized variant among enthusiasts.

Other Notable Variants and Hybrids

Beyond the well-known PF Redspore and PF Albino, several other variants and hybrids have emerged, each with unique characteristics and growing requirements.

  • PF Golden Teacher: Famous for its golden caps and profound psychedelic effects. This strain is revered for its spiritual and introspective journeys.
  • PF A+: Known for its robust growth and high yields, the PF A+ strain is a popular choice among cultivators for its reliability and ease of cultivation.
  • PF Texan: This variant is noted for its large caps and high yield potential, making it a favorite among advanced cultivators.

Key Characteristics of PF Classic Variants

  • PF Redspore: Reddish spores, slightly larger fruiting bodies, and a need for higher humidity.
  • PF Albino: Pale white appearance, translucent quality, higher psilocybin content, and specific light and moisture needs.
  • Other Variants: Includes PF Golden Teacher, PF A+, and PF Texan, each with distinct traits that cater to different cultivation preferences and psychedelic experiences.

The diversity within the PF Classic lineage underscores the adaptability and genetic variability of Psilocybe cubensis. These variants not only enhance the cultivation experience but also expand the scope of psychedelic exploration, offering enthusiasts a wide range of visual and psychoactive experiences. Each variant brings its own set of challenges and rewards, contributing to the rich tapestry of Psilocybe cubensis cultivation.

How to Grow PF Classic Mushrooms

cultivating pf classic shrooms

Preparing the Substrate: Steps and Tips

Growing PF Classic mushrooms begins with preparing the right substrate. The PF-Tek method, developed by Robert McPherson, aka Psilocybe Fanaticus, recommends using BRF (Brown Rice Flour) cakes. Here’s how to prepare them:

  • Ingredients:
    • Brown rice flour
    • Vermiculite
    • Water
  • Steps:
    1. Mixing: Combine 2 parts vermiculite and 1 part water in a bowl. Add 1 part brown rice flour to the mixture.
    2. Filling Jars: Fill mason jars with the mixture, leaving some space at the top. Avoid packing the mixture tightly.
    3. Covering: Cover the top layer with dry vermiculite to protect against contamination.
    4. Sterilizing: Place the jars in a pressure cooker and sterilize at 15 psi for 45 minutes. Allow the jars to cool to room temperature before inoculation.

Inoculating the Substrate: Best Practices

Inoculation is the process of introducing PF Classic spores to the prepared substrate. This step must be done in a sterile environment to prevent contamination.

  • Steps:
    1. Sterilize Equipment: Use a spore syringe and sterilize the needle by heating it until red hot.
    2. Inoculation Points: Inject 1-2 cc of spore solution through four evenly spaced points around the jar.
    3. Sealing: Seal the inoculation points with micropore tape to allow gas exchange while preventing contaminants.

Incubating the Jars: Creating the Ideal Environment

Proper incubation is crucial for the mycelium to colonize the substrate.

  • Conditions:
    • Temperature: Maintain a steady temperature of 75-81°F (24-27°C).
    • Darkness: Store the jars in a dark place to promote healthy mycelial growth.
    • Duration: Incubation typically takes 2-4 weeks, during which the substrate will turn white with mycelium.

Fruiting the Mycelium: Techniques and Timing

Once the substrate is fully colonized, it’s time to initiate fruiting to produce the fruiting bodies of the PF Classic mushrooms.

  • Steps:
    1. Constructing a Fruiting Chamber: Create a fruiting chamber with high humidity and proper ventilation. A plastic tub with holes drilled in the sides works well.
    2. Transferring Cakes: Carefully remove the colonized cakes from the jars and place them on a layer of moist perlite in the fruiting chamber.
    3. Conditions: Maintain high humidity (90-95%) and a temperature of 70-75°F (21-24°C). Provide indirect light for 12 hours a day.

Harvesting and Preservation: Ensuring Longevity

Harvesting at the right time ensures the best potency and longevity of your PF Classic mushrooms.

  • Steps:
    1. Timing: Harvest the mushrooms when the veil underneath the cap begins to tear away. This is when they have reached full maturity.
    2. Method: Twist and pull gently to avoid damaging the substrate.
    3. Drying: Dry the mushrooms immediately using a food dehydrator or by placing them in a well-ventilated area with low humidity.
    4. Storage: Store dried mushrooms in airtight containers with desiccant packs to maintain potency. Dark brown spores indicate they are from the PF Classic strain.

By following these detailed steps, growers can successfully cultivate PF Classic mushrooms, enjoying the fruits of their labor with this classic strain of Psilocybe cubensis.

Other Less-Potent Strains of Psilocybe cubensis

The Florida White Strain (F+): Characteristics and Growing Tips

The Florida White strain, often referred to as F+, is one of the less-potent strains of Psilocybe cubensis. It is known for its ease of cultivation and robust nature, making it an excellent choice for beginners.

  • Appearance: The F+ strain features medium-sized mushrooms with large caps that are typically yellow to light brown.
  • Cultivation: This strain thrives on a variety of substrates, including BRF cakes and compost. It is particularly resistant to contamination.
  • Potency: The Florida White strain has lower psilocybin content compared to other cubensis strains, offering a milder psychedelic experience.

The Lizard King Strain: Unique Features and Cultivation

Named after the mycologist who discovered it, the Lizard King strain is another beginner-friendly option with moderate potency.

  • Appearance: Lizard King mushrooms have large caps with a yellow hue and dark brown spores.
  • Cultivation: This strain grows well using the PF-Tek method and is known for its rapid colonization and fruiting.
  • Potency: The Lizard King strain provides a balanced psychedelic experience, making it suitable for both beginners and those seeking a milder trip.

The Cambodian Strain: History and Growth Patterns

The Cambodian strain is renowned for its fast growth and substantial yields.

  • Appearance: These mushrooms have small to medium caps that are dark brown at maturity.
  • Cultivation: The Cambodian strain is highly adaptable and can be grown using various substrates. It is particularly favored for its quick colonization and fruiting cycles.
  • Potency: This strain offers a moderate level of psilocybin, providing a balanced and manageable psychedelic experience.

The Huautla (Oaxaca) Strain: Origin and Potency

Originating from the region of Huautla de Jiménez in Oaxaca, Mexico, the Huautla strain is historically significant and moderately potent.

  • Appearance: Huautla mushrooms have large caps that are typically yellow to light brown with dark brown spores.
  • Cultivation: This strain grows well on BRF cakes and is known for its resilience and consistent yields.
  • Potency: The Huautla strain provides a gentle psychedelic experience, suitable for beginners and those seeking a spiritual journey.

The Xico Strain: Challenges and Benefits

The Xico strain, named after the town of Xico in Veracruz, Mexico, is less common but valued for its unique characteristics.

  • Appearance: Xico mushrooms have large caps with a yellowish tint and dark brown spores.
  • Cultivation: This strain can be challenging to cultivate due to its specific substrate requirements and sensitivity to contamination.
  • Potency: The Xico strain offers a mild psychedelic experience, making it suitable for those looking for a less intense trip.

The Tasmanian Strain: Growing Tips and Uses

The Tasmanian strain, originating from the island of Tasmania, Australia, is known for its robustness and large fruiting bodies.

  • Appearance: Tasmanian mushrooms feature large caps that are dark brown at maturity.
  • Cultivation: This strain is highly resilient and grows well on various substrates, including compost and BRF cakes. It is known for its large yields and ease of cultivation.
  • Potency: The Tasmanian strain provides a moderate psychedelic experience, making it ideal for both novice and experienced users.

These less-potent strains of Psilocybe cubensis provide a variety of options for cultivators and users seeking milder psychedelic experiences. Each strain offers unique characteristics that cater to different preferences and cultivation conditions.

Summary of PF Classic Strain Benefits

The PF Classic strain, a notable variety of Psilocybe cubensis, offers numerous benefits for cultivators and users alike. Developed by Robert McPherson, aka Psilocybe Fanaticus, this strain stands out for its:

  • Ease of Cultivation: The PF Classic strain is beginner-friendly, particularly when using the PF-Tek method. Its resilience and adaptability make it an ideal choice for novice growers.
  • Moderate Potency: With weak to average potency, the PF Classic provides a manageable and enjoyable psychedelic experience. This makes it suitable for beginners and those seeking a milder trip.
  • Unique Characteristics: The large caps, dark brown spores, and distinct growth patterns contribute to its popularity among Psilocybe cubensis enthusiasts.
  • Historical Significance: As a strain with a rich history and a significant role in the development of modern cultivation techniques, the PF Classic holds a special place in the mycology community.


This website does not promote or endorse the cultivation or use of psilocybin mushrooms. Psilocybin can be illegal and pose health risks. Always check your local laws and consult a medical professional before considering psilocybin use. Content is designed for adults aged 18 and over.

  • Not Healthcare Advice: Consult healthcare professionals for any medical concerns. We do not offer medical advice.
  • Legal Awareness: Users are responsible for knowing and adhering to the laws regarding magic mushrooms in their jurisdiction. We do not endorse illegal activities.
  • Risk Awareness: Psychedelic fungi carries potential risks. Information on our site is based on research and user experiences but should not replace professional advice.
  • Accuracy and External Links: We strive for accuracy but cannot guarantee it. External links are not under our control, and we are not responsible for their content.

The Ultimate Magic Mushroom Strain Guide

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Keith Gigliotti

Based in Denver, CO, Keith Gigliotti has spent the last 7 years fully immersed in the world of plant medicines and psychedelic therapy as a marketer, brander, writer, and content developer. His experience and passion for this emerging field led him to joining 1UpMaps, a premier resource for trustworthy psychedelic education and therapeutic exploration. Keith has been featured in numerous plant medicine and psychedelics publications and events. He is committed to nudging the psychedelics space further into the mainstream consciousness through purpose-driven content that both informs and inspires.

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