Home / Magic Mushroom Spores / Psilocybe Cubensis / Jedi Mind Fuck
Psilocybe cubensis
Jedi Mind Fuck
A big, chestnut-capped cube with a Star Wars name and a backstory nobody can pin down. Heavy, dense spore drops make it a generous strain to put under glass.
★★★★★ 5.0 · 28 reviewsChoose your format
Some formats are out of stock
Want to know the moment it returns?
Sold for microscopy, taxonomy and collecting only. Not for cultivation.
filled under laminar flow
plain packaging, tracked
The short version
Jedi Mind Fuck (JMF) is a large-fruiting Psilocybe cubensis with a cinematic name and a famously murky origin story. Most accounts credit a vanished hobbyist remembered as Agar Joe or Myco Joe, but nothing is documented. It throws big chestnut-brown caps and drops a heavy, dark purple-brown print, which makes it a satisfying, plentiful strain to study on a slide.
Straight talk
Fact vs. legend
There is a lot of folklore around this strain. Here is which bits are real, side by side.
What we actually know
- Genetically it is a plain Psilocybe cubensis, an isolation kept going by hobbyists rather than a separate species or a validated hybrid.
- It is a comparatively modern line, circulating widely in the online mycology scene over roughly the last fifteen years.
- It is known for large fruitbodies, and big mushrooms tend to drop big prints, so it is a heavy, dense spore depositor.
- Despite a name that promises something extreme, lab testing in the 2022 Oakland Hyphae Psilocybin Cup put a JMF sample at about 1.9 mg of psilocybin per gram, squarely mid-pack for the species. A cube is a cube.
What the community says
- The most repeated story credits a citizen-scientist remembered only as Agar Joe or Myco Joe, who is said to have isolated and stabilised the line. Sources cannot even agree whether that happened in Florida or Georgia, or in what year.
- Agar Joe reportedly vanished from the scene under sad and unconfirmed circumstances, which has only thickened the mythology around the name.
- Other accounts hand the credit to a different grower entirely (sometimes named as MrMyco), suggesting Joe only popularised a line someone else made.
- It is sometimes claimed to be a cross involving the equally mysterious Z-strain, but no genetics back that up.
- The name is generally taken as a nod to the Jedi mind tricks of Star Wars rather than anything to do with the mushroom itself.
The story
A famous name with a missing backstory
Some cubes have a clean paper trail. Jedi Mind Fuck has the opposite: a great name, a loyal following, and an origin story that dissolves the moment you press on it. By most accounts the line is credited to a citizen scientist remembered as Agar Joe (also called Myco Joe), who is said to have found and stabilised it. After that the details scatter. One telling puts the discovery in mid-east Florida around 2009, another in Georgia in the early 2000s, and a third hands the credit to a different grower entirely. None of it is documented.
What is reasonably agreed is that JMF is not exotic at the root. It is a plain Psilocybe cubensis isolation, selected and passed around by hobbyists rather than collected from some far-flung landrace. The recurring claim that it is a cross involving the murky Z-strain is repeated a lot and supported by nothing, so treat it, and the whole biography, as community lore rather than fact.
The version is that nobody can prove who made Jedi Mind Fuck, where, or when. The name travels; the paperwork never existed.
The name is a tall tale too
The label promises a knockout, a nod to the Jedi mind tricks of Star Wars, and the lore around it leans hard into talk of unusually intense effects. The numbers disagree. When a JMF sample went through the 2022 Oakland Hyphae Psilocybin Cup it came back around 1.9 mg of psilocybin per gram, middling for the species and nowhere near the leaders. As collectors like to say, a cube is a cube. The interesting part of JMF was never the name, it was the size and the generous spore drop.
The species
Meet Psilocybe cubensis
Jedi Mind Fuck is a collector’s line of a single, well-travelled species. Psilocybe cubensis was first written up in 1906 by the American mycologist Franklin Sumner Earle, from a specimen found in a cattle field in Cuba, which is where the name comes from. He originally called it Stropharia cubensis; Rolf Singer moved it into the genus Psilocybe in 1948.
The genus name is a tidy bit of Greek: psilos (“bare”) plus kubē (“head”), for the smooth, peelable skin of the cap, so the full name reads roughly as “the bare-headed mushroom from Cuba.”
- Family
- Hymenogastraceae (older books say Strophariaceae)
- Genus
- Psilocybe (Fr.) P. Kumm., 1871
- Species
- Psilocybe cubensis (Earle) Singer, 1948
- Basionym
- Stropharia cubensis Earle, 1906
- This product
- Jedi Mind Fuck, a collector’s cultivar of the species
- Type locality
- Cuba (where it was first named)
How you’d know it
Field marks
These describe the mature mushroom for reference and identification.
Big chestnut cap
Golden to chestnut or rust-brown, often paler at the rim. Conical to bell-shaped when young, opening to convex and then flat with age. JMF is selected for size, so caps can run notably broad.
Thick white stem
White to pale, sturdy and fibrous, generally tall and substantial under those big caps. A leftover partial veil leaves a ring (annulus) that usually catches a purple-brown dusting of falling spores.
Darkening gills, heavy print
Crowded and pale when young, deepening toward near-black as the spores ripen. The large fruitbodies make for dense gill surfaces, which is why JMF has a reputation for dropping thick, generous prints.
Blue bruising
Handle or damage the flesh and it bruises blue-green, the classic Psilocybe tell as psilocybin converts to psilocin and oxidises into blue pigments. Common to cubensis, present here too.
Where it comes from
A dung-lover with a wanderer’s history
Psilocybe cubensis is coprophilic, a fancy word for dung-loving. In the wild it lives on the droppings of big grazing animals, classically cattle and water buffalo, fruiting from warm, humid pasture. It does not grow on wood and it does not partner with tree roots.
You’ll find it across the warm parts of the world: the Gulf Coast of the United States, Mexico, Central and South America, Southeast Asia and Australia. It was named from Cuba, but where the lineage truly began is an open question. A 2026 study describing its closest wild relative in southern Africa suggests the deep roots are Old-World, the mushroom having apparently travelled with grazing herds long before anyone gave it a Latin name.
The main event
Under the microscope
This is what you actually bought the spores for. Put a print or a drop from a syringe on a slide and here’s what shows up.
- Shape & size. Smooth, thick-walled and subellipsoid, like a slightly squashed rugby ball, roughly 11.5–17 µm long by 8–11 µm wide (the figures Paul Stamets settled on).
- The germ pore. Look for a single pale, flattened dot at one end. That’s the one thin spot in the wall where, in nature, a mushroom would begin, and a real cubensis hallmark.
- Pale alone, dark in a crowd. A single spore looks honey-amber with the light behind it; only in a mass do they read deep purple-brown to black. So a near-black print but pale spores on the slide is normal optics, not a dud.
- What you’ll need. Find the field at 100×, study shape and the germ pore at 400×, and get the wall crisp at 1000× under oil. A touch of methylene blue or KOH lifts the contrast.
- The legal bit, and why it’s true. A dormant spore carries no psilocybin or psilocin at all; that chemistry only appears later in living tissue. That is exactly why the spores are legal to own and study in the UK.
Choose your format
Print, syringe, vial or swab?
Same lab-grade genetics in every option. The honest difference is shelf life versus how soon you’re at the scope.
Spore print
Keeps longest
Spores dropped straight onto sterile foil. Stored cool and dry it outlasts everything else here, so it’s the one to reach for if you’re building a collection to keep for years.
Spore syringe
Ready tonight
Spores suspended in sterile water, ready to go straight onto a slide. The quickest way to be looking down the microscope this evening. Comes in 3 mL and 12 mL.
Vial & swab
Compact
A sealed glass vial is a tidy middle ground; a sterile swab is the most travel-friendly, robust little format for adding a strain to your reference set.
At a glance
The spec sheet
- Species
- Psilocybe cubensis
- Strain
- Jedi Mind Fuck (collector’s cultivar)
- Spore print
- Dark purple-brown to near-black, heavy depositor
- Spore shape
- Subellipsoid, smooth, thick-walled, with a germ pore
- Spore size
- ~11.5–17 × 8–11 µm
- Basidia
- Mostly 4-spored, ~20–30 × 7–10 µm
- Wild habitat
- Coprophilic, on herbivore dung & warm pasture
- Climate
- Subtropical to tropical
- Intended use
- Microscopy, research & collecting only
Dig deeper
Further reading
Independent, non-commercial sources, no shops, just good information.
- Psilocybe cubensis on Wikipedia: the species overview.
- The genus Psilocybe: taxonomy and the family reshuffle.
- Index Fungorum: the formal nomenclature record.
- Proc. Royal Society B (2026): the African wild-relative study.
Common questions
Frequently asked
Yes, for microscopy and research. A dormant spore contains no psilocybin or psilocin, so the spores themselves are not a controlled substance in the UK. We sell them strictly for microscopy, taxonomy and collecting, never for cultivation.
Nobody can prove it. The popular story credits a hobbyist called Agar Joe (or Myco Joe), but sources disagree on whether that was Florida or Georgia, and on the year, and some accounts credit someone else entirely. Treat the whole backstory as community lore, not documented history.
No, that is the misnomer. It is a plain Psilocybe cubensis, and the lab numbers (around 1.9 mg per gram in the 2022 Hyphae Cup) put it mid-pack for the species. The name is a Star Wars joke, not a measurement.
This listing is the standard, pigmented Jedi Mind Fuck, the chestnut-capped line that drops a normal dark purple-brown print. There is a separate pale variant sold as Leucistic JMF or Albino JMF (a different, ghostly looking isolate), which is not what you are buying here. If you specifically want the pale line, check the product title before ordering.
By most accounts, yes. It is selected for large fruitbodies, and bigger mushrooms with more gill surface tend to drop denser, darker deposits, so it has a name for generous purple-brown prints. That makes it a forgiving strain to get a good sample from.
Cool, dark and dry. A fridge (not freezer) suits syringes and vials; a print keeps happily in a sealed bag somewhere cool. Stored well, a print stays viable for study for years.
What customers say
Reviews
Well packed and easy to use thanks
Results were great! No issues at all, and lovely packaging, will buy again.
good reliable syringes
ordered some spores from cylocybe and upon inspection unfortunately I saw contamination but the customer service was impeccable and after sending an email I am now receiving a replacement I will continue to use this website for purchasing spores for microscopic uses
Ask the community
Questions and answers
No questions yet. Yours could be the first.
For microscopy, taxonomy and collecting only.Sold for legal research. Not for cultivation. Spores contain no controlled substances. We trust you to be responsible.