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Some of the strongest psychedelic mushroom strains we have today tend to come out of parts of the world with what’s known as a “tropical moonshine climate” — Cambodia is one of these places.Dan SimmsLast Updated: August 19, 2022PrintThe Cambodian shroom strain is one of the more famous strains floating around the psychedelic space, and for good reason. This strain was discovered by “Mushroom John” John Allen, a famous mycologist, it has a higher potency than most, and its more forgiving nature makes them one of the best strains for beginner growers to practice the art of cultivation. In this ultimate guide, we’ll discuss the Cambodian strain’s origins and effects, as well as how potent it is. We’ll also go into where to buy spores of this strain, how to grow it successfully, and some similar strains you can try if you like this one.What Are Cambodian Shrooms?Cambodian cubes are a strain of magic mushrooms that was originally isolated from a wild one in Cambodia sometime in the early 90s. This strain is considered one of the most robust and disease-resistant strains available, even if the growing conditions are underoptimized. Some strains are more susceptible to contamination than others, which can be the bane for new and experienced mushroom growers alike. Sometimes no matter how much care and attention you place while inoculating your spawn jars, you’ll still end up with contamination problems before you get a chance to collect on the fruits of your labor. The resilience of this strain makes them a great candidate for beginners but is also an excellent option for more experienced growers. But it gets even better. Cambodians are also notoriously potent — though somewhat less potent than strains like Penis Envy or Orissa India. The original sample for this strain was allegedly found near the ancient temple of Angkor Wat, which is one of the largest religious temples ever discovered. It’s believed that the ancestor strains of the Cambodian strain may have been eaten by religious leaders who were active in the temple after it was constructed in the 1100s.Of course, the long history of this shroom strain makes it appealing to psychonauts and casual shroom users, so it’s still used today as a means of experiencing introspection and spirituality. Cambodian Shroom Specs:Potency PotentCultivation BeginnerSpecies Psilocybe cubensisSubstrate Recommendation Rye Grain or Brown Rice FlourCost $Sold By Ralphsters Spores, Spores 101, Premium Spores, Free SporesStrains vs. Species: What’s The Difference?A strain is a genetic variant of a biological species. On the other hand, a species refers to a distinct group of reproducible organisms. Two strains from the same species can reproduce, but two samples from different species cannot. We use strains to separate members of a species that display unique growth traits. This is used for virtually all species of human importance — including cannabis, apples, grapes, tea, and much more. There are many species of psychedelic fungi, but most of what we refer to as “mushroom strains” are sub-varieties of the Psilocybe cubensis species. Cambodian Shrooms Potency & Psilocybin ContentThere are no specific numbers available as far as potency for this strain goes, but there are user reports that suggest that Cambodian shrooms are above average in potency. This would likely place these shrooms somewhere over the 1.2% average tryptamine content for Psilocybe cubensis mushrooms. Even John Allen noted that these shrooms were heavy hitters during his excursion in Cambodia.One of the biggest issues with discussing a strain’s potency is that the psilocybin content can vary drastically between samples, as the potency depends, in part, on how the mushroom is cultivated. The process and substrate used can both affect psilocybin and psilocin levels. Even shrooms taken from the same batch can vary in potency.Where to Buy Cambodian Shroom SporesIf you’re looking to grow Cambodian shrooms, there are a few places you can turn to to get your spores.If you live in the United States, two of the best spore vendors that carry this strain are Ralpster’s Spores and Spores 101.If you live in Canada, you can check out Sporeslab or Myco, both of which are great resources and carry the Cambodian strain most of the time.If you live in Europe, Kosmic Kitchen, Viking Spore, and the Magic Mushrooms Shop are good places to try instead.Related: How & Where to Buy Magic Mushroom Spores (Legally).How to Grow Cambodian ShroomsThere are many good reasons to grow the Cambodian cubes strain — prolific fruiters, disease resistance, and high potency — just to name a few. We’d even go so far as to say the Cambodian strain is one of the best strains for new growers. As with any strain, it’s important to prioritize keeping a sterile environment during the inoculation phase and ensure the mycelium doesn’t overheat during incubation. For more detailed information on how to get started growing magic mushrooms, check out our extensive beginner’s guide (PF Tek method). We’ve found that the first flush with this strain is almost always the most prolific. Second and third flushes can provide impressive yields too, but they usually have a sharp drop-off by the fourth flush. If you get stuck between flushes, you can use an ice water bath to stimulate new growth.Similar StrainsCambodian shrooms are highly sought-after in the magic mushroom community and are one of our top recommendations for new growers — but they arent’ our only recommendation. Whether you’re having difficulty finding Cambodian shroom spores or you’re just looking for similar strains that are potent or easy to grow, here are some other options worth your consideration: 1. Allen ShroomsThe Allen shroom strain is named after John W. Allen, the same mycologist who discovered the Cambodian strain. In fact, the Allen strain was discovered during the same excursion through Asia, although it was isolated from a wild shroom sample in Thailand. The Allen strain has rapid colonization times, just like the Cambodian strain, and it’s relatively easy to cultivate even for novices. 2. Ban Hua Thanon ShroomsThe Ban Hua Thanon shroom strain also called the BHT strain, is yet another that was isolated during “Mushroom John” John Allen’s trip to Southeast Asia. This strain has good resistance to high temperatures, it’s a fairly quick colonizer, and it’s easy for any cultivator to grow, regardless of experience.3. Burma ShroomsThe Burma mushroom strain hails from Myanmar, which isn’t far from where the Cambodian strain was initially isolated. This strain — sometimes called the Burmese strain — was taken by a student in Thailand, who later gifted it to John Allen for his research. Like Cambodian shrooms, the Burma strain is known for its high potency and ease of cultivation.4. Ban Phang Ka ShroomsFinally, Ban Phang Ka shrooms — or just BPK shrooms — come from Thailand and were, unsurprisingly, originally isolated by Mushroom John Allen. This strain is quite rare, so it’s challenging to find spore samples available. It’s a bit more challenging to cultivate than Cambodian shrooms as well, and the potency is slightly lower, usually coming in around average.5. Koh SamuiOur editor, Justin Cooke, recommends Koh Samui as his favorite to grow. It’s a fast colonizer and is extremely easy to work with. This shroom will thrive on basically any growing media you throw at it — it’s not picky whatsoever, which makes it perfect for low-budget mushroom setups. The trip from these shrooms is also notoriously smooth. They’re strong, but not too strong that you’re going to be left reeling after the trip. Final Thoughts: Cambodian ShroomsCambodian shrooms have a rich and interesting history, having been found by famous mycologist John Allen near the Angkor Wat temple in Cambodia during his trip to find new psilocybin mushroom strains. It’s believed that relatives of the Cambodian shroom strain were used for religious and spiritual purposes by religious leaders in the temple.Today, the strain is relatively easy to find for cultivators, and the spores are highly resistant to mold and disease. This resistance, along with the strain’s high potency and the ease at which it can be cultivated, makes Cambodian shrooms a favorite among cultivators and shroom users alike.Cambodian shrooms are often compared to other high-potency strains that are simple to cultivate. These include several other samples collected during John Allen’s trip through Southeast Asia, including the Allen strain, the Ban Hua Thanon strain as well as Burma, Ban Phang Ka, and Koh Samui.