Trusted resources for information on natural psychedelics and the only map based directory to find verified therapists, products, and businesses near you. (More Info)
Table of Contents

Amazonian Mushroom Strain Guide: A Prolific Fruiter

amazon mushroom
Table of Contents

Unveiling the Mystery: The Psilocybe Cubensis PESA Strain

The world of magic mushrooms can be a labyrinth of confusing terminology, and the PESA strain is a prime example. Often referred to by various names like Amazonian Cubensis, PES Amazonian, or simply Amazonian mushroom, this psilocybe cubensis strain, a type of hallucinogenic mushroom species, can leave even seasoned psychonauts scratching their heads.

A Multitude of Names, A Single Source

The confusion surrounding the PESA strain stems from its origins. Its name originates from the now-defunct spore vendor, Pacific Exotica Spora. PESA stands for “Pacific Exotica Spora Amazonia,” a moniker reflecting the vendor’s belief that the strain originated in the South American rainforest.

The PESA strain belongs to the genus Psilocybe, which includes many other well-known psychedelic mushrooms.

Beyond the Hype: PESA’s Standout Characteristics

While the exact geographic origins of PESA remain debatable, there’s no denying its unique characteristics. While PESA is known for its hallucinogenic properties, it shares some physical characteristics with edible mushrooms, such as its broadly convex, golden brown caps. PESA mushrooms are renowned for their broadly convex, golden brown caps that can reach impressive sizes, often exceeding 15 centimeters in diameter. These giants are also known for their rapid growth, producing flushes of magnificent mushrooms in a relatively short timeframe.

When it comes to psilocybin content, also known as the hallucinogenic compound found in magic mushrooms, opinions differ. Some consider PESA to be on par with other cubensis strains, while others report a milder experience. We’ll delve deeper into the question of PESA’s potency in the next chapter.

Delving Deeper: PESA’s History and Potency as Amazonian Mushrooms

amazon mushrooms

The mystique surrounding the PESA strain extends beyond its name variations. While the “Amazonian” moniker hints at its origins in South America, specifically within the vast expanse of the Amazon rainforest, the exact story remains hazy. Some researchers speculate a connection to the Amazonian cubensis strain collected by Terence and Dennis McKenna during their explorations in the 1970s. These brothers, famed for their ethnomycological research, are credited with bringing psilocybin mushrooms back to the forefront of Western scientific exploration.

However, the McKenna brothers’ Amazonian cubensis may be a distinct variety from the PESA strain. The classic Amazonian strain typically boasts a higher psilocybin content. While psilocybin content can fluctuate based on cultivation conditions, PESA generally falls below the average potency range for psilocybe cubensis strains, hovering around 0.43% psilocybin and psilocin (combined). This contrasts with the Amazonian strain, which can reach tryptamine levels as high as 1.4%.

The reasons behind these variations are complex and not fully understood. Genetics certainly play a role, but environmental factors like light, humidity, and even the type of substrate the mushrooms grow on can all influence psilocybin content.

Understanding the potency and effects of psilocybin mushrooms is crucial, especially considering that a high dose can be overwhelming and necessitates careful dosage calculation to avoid potential ill effects.

In the next section, we’ll explore the cultivation aspects of the PESA strain, examining its suitability for beginner growers and the environmental factors that can optimize growth.

Physical Characteristics

Colossal Fruiting Bodies

One of the most striking and awe-inspiring features of the PESA strain is its remarkable ability to produce colossal fruiting bodies that defy the expectations of even the most seasoned mycologists. These hallucinogenic mushrooms are truly giants among their kind, boasting caps with diameters that can exceed an astonishing 15 centimeters and stems that stretch upwards of 20 centimeters in length.

The sheer size of these fruiting bodies is a testament to the resilience and vitality of the PESA strain, a characteristic that has captivated the imagination of mushroom cultivators and psychedelic enthusiasts alike. It is not uncommon to witness these towering specimens, their caps broad and expansive, casting an imposing shadow over their more diminutive counterparts. These colossal fruiting bodies are a result of carefully cultivated conditions that optimize their growth.

Appearance and Color

As the PESA strain’s fruiting bodies emerge from the darkness of their mycelial networks, they unveil a captivating display of colors and textures. The caps, initially adorned with a rich reddish-brown hue, gradually transition to a warm, golden brown as they mature, creating a striking contrast against the surrounding environment.

These caps, once convex and rounded, flatten out and take on a broadly convex shape as the sporulation process begins, signaling the mushroom’s readiness to disseminate its precious spores. Meanwhile, the stems stand tall and proud, their yellowish-white coloration punctuated by a unique blue-green bruising that occurs when they are handled or damaged.

In addition to their striking appearance, some mushrooms are also studied for their potential antibacterial activity.

Rapid Growth and Hollow Stems

Amazonian mushrooms, particularly the PESA strain, are known for being prolific fruiters!

One of the defining characteristics of the PESA strain is its remarkably rapid growth rate, a trait that has earned it a well-deserved reputation among cultivators seeking a strain that can produce bountiful yields in a relatively short time span. This accelerated growth is attributed, in part, to the unique hollow stems that support these towering mushrooms.

While the hollow stems contribute to the strain’s impressive growth rate, they also play a role in the mushrooms’ diminished size when dried. As the fruiting bodies are dehydrated, the hollow stems collapse, resulting in a noticeable reduction in overall size and stature. However, despite this apparent shrinkage, a single dried PESA mushroom can still fill the palm of one’s hand, a testament to the strain’s enduring presence even in its preserved form.

Some mushrooms, including those in the Amazon, are also known for producing antimicrobial compounds.

Amazonian Shrooms – Potency and Psilocybin Content

amazon pes mushroom

Below-Average Potency

While the PESA strain undoubtedly captivates with its colossal fruiting bodies and rapid growth, it is essential to acknowledge that its potency falls short of the expectations set by its impressive physical stature. Despite its awe-inspiring size, this Amazonian variety of the Psilocybe cubensis species is generally considered to have below-average potency compared to many of its counterparts within the same species.

This characteristic, however, does not diminish the strain’s allure or the respect it commands among mushroom enthusiasts. Instead, it serves as a reminder of the intricate diversity that exists within the realm of psychedelic mushrooms, where each strain possesses its own unique blend of qualities and attributes. Consuming high doses of Psilocybe cubensis, including the PESA strain, can lead to overwhelming effects, such as visual distortions, vivid enhancement of colors, and the animation of organic shapes, cautioning users against the potential risks of overconsumption. Research conducted at a federal university has provided insights into the varying potency of different mushroom strains.

Factors Affecting Potency

Like many other psychedelic mushrooms, the potency of the PESA strain is influenced by a multitude of factors, each contributing to the intricate tapestry of its chemical profile. From the growing conditions and the choice of substrate to the fluctuations in environmental variables, every aspect of the cultivation process plays a role in shaping the mushroom’s potency.

It is crucial to recognize that while the PESA strain may exhibit lower psilocybin and psilocin levels on average, individual mushrooms can vary significantly in their potency due to these myriad factors. As such, responsible and informed cultivation practices are essential to ensure a consistent and predictable experience when working with this strain. According to a study published in the Int J Med Mushrooms, environmental factors significantly impact the potency of psilocybin mushrooms.

Cultivation of the Gentle Giant: PESA for Beginner Growers

The PESA strain’s allure extends beyond its captivating size and Amazonian mushrooms mystique. For novice cultivators, PESA offers a welcome combination of resilience and reward. This chapter delves into the world of PESA cultivation, highlighting its suitability for beginners and exploring the environmental factors that optimize growth.

A Beginner’s Boon: Why PESA Stands Out

PESA’s reputation as a beginner-friendly cultivator stems from several key characteristics:

  • Resistance to Contamination: New growers often struggle with contamination, but PESA exhibits a natural resilience against molds and bacteria. This allows for a margin of error during the cultivation process.
  • Fast Colonization and Prolific Flushes: PESA is a vigorous grower, rapidly colonizing its substrate and producing multiple flushes of mushrooms. This translates to a quicker turnaround time and more mushrooms to harvest.
  • Adaptability to Various Substrates: Unlike some finicky strains, PESA thrives on a variety of growing mediums. From rye grain to coco coir, or even wild bird seed, this versatile mushroom can adapt to the cultivator’s preference or available resources.

PESA’s resilience and rapid growth make it an ideal strain to be cultivated by novice growers.

While PESA tolerates a wider range of conditions than some cubensis strains, certain environmental factors can significantly impact both growth and yield.

Unveiling the Recipe: Substrate Selection and Ideal Environment

  • Substrate Selection: As mentioned previously, PESA is adaptable. Popular choices include rye grain for spawn production, followed by a fruiting substrate like coco coir or a combination of coco coir and vermiculite. For a truly hands-off approach, pre-made and sterilized substrates like Brown Rice Flour (BRF) cakes can also be successful.
  • Temperature: During the incubation stage, when the mycelium is colonizing the substrate, ideal temperatures fall between 68-82°F (20-28°C). Once fruiting begins, the temperature range can be slightly adjusted to 73-82°F (23-28°C).
  • Humidity and Fresh Air Exchange (FAE): Maintaining a humid environment is crucial for healthy mushroom growth. Misting the fruiting chamber regularly is often necessary. Fresh air exchange is equally important, as it helps remove CO2 and prevent mold growth.

Similar techniques are used in the cultivation of edible mushrooms, ensuring optimal growth conditions.

Important Disclaimer: The cultivation of psilocybin mushrooms may be illegal in your region. This chapter is for informational purposes only and does not constitute a guide to cultivating controlled substances.

The next chapter will address some frequently asked questions regarding the PESA strain, including its legal status and potential risks involved with cultivation.

The Psychedelic Mushrooms PESA Strain – Beyond the Size

amazon pes mushrooms

The PESA strain occupies a fascinating niche within the world of Psilocybe cubensis mushroom species. While its exact origins remain shrouded in some mystery, its broadly convex, golden-brown caps and impressive size have captivated growers for years. Just like ‘Golden Teacher’, another characteristic strain known for its interesting features and ease of cultivation at home, PESA offers a unique experience that can vary from person to person.

For novice cultivators, PESA’s ease of cultivation and resistance to contamination offer a confidence boost. Its rapid growth and ability to thrive on various substrates further solidify its appeal for beginners. However, it’s important to remember that psilocybin content can vary and PESA generally falls below the average potency of cubensis strains.

The allure of PESA goes beyond its physical characteristics and cultivation advantages. Its potential connection to the Amazonian strain collected by the McKenna brothers adds a layer of historical intrigue. This link, however tenuous, serves as a reminder of the long-standing relationship between humans and psilocybin mushrooms in various cultures throughout history.

Responsible Research and Legal Considerations

Given the psychoactive nature of psilocybin mushrooms, it’s crucial to approach PESA, or any psilocybin-containing mushroom, with caution and responsible research. The legal status of psilocybin varies widely across regions, with some areas decriminalizing and even legalizing psilocybin mushrooms for recreational use, such as Denver, Colorado, and the state of Oregon. Cultivation or possession may be illegal in your area.

Before considering PESA or any psilocybin mushroom, thoroughly research the laws in your jurisdiction. Additionally, psilocybin can produce unpredictable effects, and it’s essential to understand the potential risks associated with its use.

Frequently Asked Questions (FAQ)

The PESA strain, with its intriguing history and unique characteristics, can spark a lot of curiosity. This FAQ section aims to address some of the most common questions surrounding PESA.

Is the PESA strain the same as the Amazon strain?

Researchers have not confirmed a definitive link between the PESA strain and the Amazon strain collected by the McKenna brothers. While both are members of the psilocybe cubensis species, they may possess distinct genetic variations. The classic Amazon strain tends to have a higher psilocybin content compared to PESA.

Where can I buy PESA spores legally?

The legal status of psilocybin mushrooms varies widely across regions. Psilocybin is a controlled substance in many countries and jurisdictions. It’s crucial to research the laws in your area before seeking out PESA spores or any psilocybin-containing mushrooms.

What are the potential risks involved in cultivating psilocybin mushrooms?

Cultivating psilocybin mushrooms can carry inherent risks, even for the beginner-friendly PESA strain. Accidental contamination with molds or bacteria can pose health hazards. Additionally, ingesting psilocybin mushrooms can produce unpredictable effects, including hallucinations, anxiety, and paranoia. It’s important to understand these risks and approach psilocybin with caution, if at all.


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

Unlock the secrets of the magical world of mushrooms with 'The Ultimate Magic Mushroom Strain Guide'. Learn all about the different psilocybin mushroom strains nature has to offer.


by Adam Duke

Adam Duke is a seasoned plant medicine expert and distinguished speaker, serving as the Director of Education at 1UpMaps. Having joined and participated in the Detroit Psychedelic Conferences, Entheofests as well as the National Psychedelic Conference in Washington D.C., he feels the community that contributes to our articles and information is the best out there. With extensive experience in the field, Adam brings a wealth of knowledge and expertise to his role, enriching the understanding and application of plant medicine within our community.

Related Posts

Microdosing Capsules & Chocolate Bars