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Psilocybe cubensis
Blue Magnolia
Originally isolated from wild mushrooms in Mississippi. Big, dark golden caps and thick stems. A fun one to put under the scope.
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Sold for microscopy, taxonomy and collecting only. Not for cultivation.
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The short version
Blue Magnolia is a southern-US cubensis, reportedly isolated around 2011 from a wild Mississippi find. The base line drops a normal dark purple-brown print, but its famous offshoot, Blue Magnolia Rust, deposits unusual rust-cinnamon spores instead of the species standard. Backstory is community lore, not documented history, but the rust trait is real and worth 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, not a hybrid or a separate species, whatever its colourful nickname suggests.
- Two lines circulate under the name: the original Blue Magnolia (Classic), which drops an ordinary dark purple-brown print, and Blue Magnolia Rust, a selected line that deposits unusual rust-cinnamon spores.
- Like any cubensis, the flesh bruises blue-green where handled, the enzyme reaction that gives the whole group its name and the Blue in this one.
- Standard cubensis microscopy applies: smooth, thick-walled subellipsoid spores with a flattened germ pore, pale amber alone and dark in mass.
What the community says
- The story goes that it was isolated around 2011 by two hobbyists, often named as Doc and Mycotek, from a wild patch found on wood chips and horse dung at a Mississippi stud farm. Treat that as community lore, since it lives entirely on vendor pages.
- The name is usually read as a regional tribute: Magnolia for Mississippi, the Magnolia State, and Blue for the blue bruising. Plausible, but nobody has documented who actually named it.
- Accounts of the Rust line disagree. Some say it is a years-long isolation off the original Blue Magnolia that selected for rust-coloured spores. Others claim it is a cross with a separate rusty-spored line. Both are unverified.
- It is sometimes pitched as a rare collector's prize. In practice it is simply a less mass-distributed line than B+ or Golden Teacher, not a different animal.
The story
A Mississippi find with a colour trick up its sleeve
Most cubensis names are either old forum handles or pure marketing. Blue Magnolia sits somewhere in between, and the version of its story is short. By most accounts the line was put together around 2011 in Mississippi, isolated by a pair of hobbyists usually named as Doc and Mycotek, from a wild patch reportedly growing on wood chips and horse dung at a stud farm. That tale is repeated almost word for word across the spore trade, which tells you it spread from a single source rather than from any documented record. Take it as community lore, not history.
The name reads like a postcard from the American South. Magnolia is the state flower and nickname of Mississippi, and Blue is the blue-green bruising every cubensis shows when you handle it. Whether the original isolators meant all that or whether a later vendor tidied it up after the fact, nobody can say, so treat the etymology as plausible folk reasoning rather than fact.
The genuinely interesting part is not the backstory, which is thin, but a quirk you can actually see: one line of this strain drops rust-coloured spores instead of the usual purple-black.
Two lines, two prints
This is where people get tangled, so it is worth being precise. The original Blue Magnolia (Classic) behaves like any cubensis and drops a normal dark purple-brown print. The line that earned the strain its reputation is Blue Magnolia Rust, a selection said to have been chased down over several seasons, which deposits an unusual rust-to-cinnamon print rather than the species standard. A rust-spored cubensis is uncommon and makes for a striking slide, so it is a real draw for collectors. How the Rust line came about is contested, with some calling it a straight isolation and others a cross, and neither claim is documented, so we flag both as lore. Whichever line you have in hand, it is still a plain Psilocybe cubensis under the glass.
The species
Meet Psilocybe cubensis
Blue Magnolia 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
- Blue Magnolia, 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.
Golden, blue-flecked cap
Broad and smooth with a slight sheen when fresh, golden-brown to caramel, often carrying a faint bluish cast and the odd rust-coloured speckle where spores have settled. Dries to a more matte, lightly wrinkled surface.
Pale, blue-bruising stem
White to off-white, fairly thick and reported as on the stout side in the Rust line, usually hollow at maturity. Handle it and it bruises blue-green, the classic Psilocybe enzyme reaction.
Darkening gills
Crowded and pale grey when young, deepening as the spores ripen. In the Classic line they end up purple-brown; in the Rust line the mature gills and any print run noticeably rustier.
Persistent ring
A leftover partial veil leaves an annulus on the upper stem, which catches falling spores and so shows the line's print colour, purple-brown on the Classic, rusty on the Rust.
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.
- Mind which line you have. The original Blue Magnolia drops the standard dark purple-brown cubensis print, but the selected Blue Magnolia Rust line deposits an unusual rust-to-cinnamon print and photographs warmer, more amber, under the scope. The spores themselves are still ordinary thick-walled subellipsoid cubensis spores; it is the pigment in the deposit that shifts, so do not expect a structural difference at 1000x.
- 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
- Blue Magnolia (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.
Because there are two lines. The original Blue Magnolia drops an ordinary dark purple-brown print. The selected Blue Magnolia Rust line deposits a rust-to-cinnamon print instead, which is unusual for a cubensis and is exactly why collectors seek it out. Check which line your pack states.
No. Despite the evocative name it is a plain Psilocybe cubensis. The various origin and crossing stories that circulate are unverified community lore, not documented science.
Smooth, thick-walled subellipsoid spores, pale amber individually and dark in mass, each with a small flattened germ pore at one end. Find them at 100x, study at 400x, and get the wall sharp at 1000x under oil. Rust-line samples photograph with a warmer, more amber tone.
We cannot confirm it. The 2011 Mississippi isolation by the hobbyists usually named is repeated across the spore trade but does not appear in any independent record, so we present it as lore rather than fact.
Cool, dark and dry. A fridge (not freezer) suits syringes and vials; prints keep happily in a sealed bag somewhere cool. Kept well, a print stays good for study for years.
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For microscopy, taxonomy and collecting only.Sold for legal research. Not for cultivation. Spores contain no controlled substances. We trust you to be responsible.