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The UK's longest running magic mushroom spores and grow kit specialist.

Supplying lab-grade Psilocybe cubensis spores, rare exotic species, and the original injectable mushroom grow kits from the UK to the world.

  • Same-day dispatch on spores paid by 1PM, kits within 1-2 days.
  • Boring packaging, we take your privacy seriously.
  • Spores sold strictly for microscopy (the way nature intended).
  • Thousands of customer reviews.
Shop everything → Grow kit guides
Amazonian cubensis: a tall mushroom with a pale tan cap and dark purple-brown gills on a long slender stem Psilocybe Cubensis
Amazonian cubensis: a tall mushroom with a pale tan cap and dark purple-brown gills on a long slender stem Amazonian B+ cubensis: broad caramel caps with dark centres on thick pale stems, a generous flush B+ Ban Hua Thai cubensis: flat open caps with speckled golden centres, gills fully exposed Ban Hua Thai Blue Magnolia cubensis: open golden-brown caps with visible gills above thick pale stems Blue Magnolia Blue Meanie Cambodian cubensis: golden-brown caps on cream stems, one large cap in the foreground showing dark gills Cambodian Corumba Brazil E4K cubensis: pale bulbous caps on stout stems, several still closed, over dark substrate E4K
View all 58 Psilocybe Cubensis →
Gymnopilus luteofolius: rusty pink-orange caps with a scaly surface on matching stems, growing on wood chips Rare & Exotic
Gymnopilus luteofolius: rusty pink-orange caps with a scaly surface on matching stems, growing on wood chips Gymnopilus Luteofolius Panaeolus cyanescens MIB: grey-white domed caps on long slender stems, the jet-black printing Panaeolus MIB Psilocybe azurescens: caramel caps with a raised centre growing among green leaves and grass Psilocybe Azurescens Psilocybe mexicana: pale tan bell caps with fine radial lines, glistening with moisture Psilocybe Mexicana Psilocybe subaeruginosa: olive-brown caps bruising blue-green, growing on woody debris Psilocybe Subaeruginosa Psilocybe tampanensis: small orange-brown conical caps on long thin stems in a dense group Psilocybe Tampanensis Panaeolus cyanescens TTBVI: slim grey-white bell caps on fine pale stems, growing on dung Out of stock TTBVI Psilocybe cyanescens, the Wavy Cap: caramel caps with wavy rippled edges and pale gills, growing in leaf litter Out of stock Psilocybe Cyanescens
View all 9 Rare & Exotic →
A colonised MonoBox cake held in one hand with mushrooms fruiting from every surface Mushroom Grow Kits
A colonised MonoBox cake held in one hand with mushrooms fruiting from every surface MonoBox™ Grow Kit A MycoBox from above showing white mycelium patches growing through the dark substrate MycoBox Grow Kit XL PF-Tek MycoBox from the side, showing the depth of packed brown substrate through the clear tub wall PF-Tek MycoBox Grow Kit A DIY PF-Tek MycoPot: a clear tub packed with pale substrate, filter strip and black port in the lid PF-Tek MycoPot Grow Kit (DIY) Injecting a PF-Tek MycoPot: a gloved hand pushing a syringe needle through the port in the lid PF-Tek MycoPots Grow Kit Two SpawnTubs side by side, each a clear tub of rye grain with a pink filter and black port Rye Grain SpawnTubs™ (Sterile) AgarPots kit: four sealed pots of set agar with sterile wipes, gloves and a scalpel Out of stock AgarPots Kit A Halloween special grow kit: a clear tub two thirds full of dark grain substrate with a filter lid Out of stock Halloween Special Grow Kit
View all 15 Mushroom Grow Kits →
King Oyster mushrooms: a cluster of thick white stems with small pale grey caps, growing outdoors Liquid Cultures
King Oyster mushrooms: a cluster of thick white stems with small pale grey caps, growing outdoors Out of stock King Oyster Liquid Culture Lion's Mane: a large white mushroom of cascading icicle-like spines growing from tree bark Out of stock Lion's Mane Liquid Culture Pink Oyster mushrooms: close-up of coral-pink gills fanning out in overlapping layers Out of stock Pink Oyster Liquid Culture Shiitake mushrooms fruiting from bark, deep red-brown caps with pale cracked patterning Out of stock Shiitake Liquid Culture
View all 4 Liquid Cultures →
Two SpawnTubs side by side, each a clear tub of rye grain with a pink filter and black port Spawn & Substrates
Agricultural lime: a heap of bright white calcium carbonate powder Agricultural Lime (Calcium Carbonate) 1kg Brown rice flour: a smooth cream-coloured powder filling the frame Brown Rice Flour Chicken manure pellets: dark grey-brown cylindrical pellets in a dense layer Chicken Manure Pellets (1kg) Coco coir brick: a compressed rectangular block of dark brown coconut fibre Coco Coir (650g) Gypsum: a fine white powder, calcium sulphate, filling the frame Gypsum (Calcium Sulphate) 3kg Hardwood pellets: dark brown compressed sawdust cylinders heaped on white Hardwood Pellets (3kg) Perlite: irregular chalky white granules of expanded volcanic glass Perlite (5L) Rye grain: dry pale brown kernels spread evenly across the frame Rye Grain (3kg)
View all 18 Spawn & Substrates →
Unicorn 3T grow bags: clear gusseted polypropylene bags with filter patches, sealed flat Sterile & Lab Equipment
Two 12ml glass vials with white screw caps and black self-healing rubber injection ports set into the lids 12ml Vials (5) A roll of 3M Micropore breathable white paper tape on a black background 3M Breathable Micropore Tape Six sealed Clinell chlorhexidine alcohol wipe sachets arranged on black 70% IPA Clinell Alcohol Wipes (5) The CyLab as supplied: two clear nesting tubs with filter plugs and a heater unit CyLab Three Kilner preserving jars with gold lids, two sealed and one open, with spare lid rings in front Kilner 1L Mason Jars (12) Looking down through the top of a still air box while gloved hands inoculate a small tub Sabla™ / Still-air Box (S/M/L/XL) A group of grey butyl rubber self-healing injection ports on a black background Self-Healing Injection Ports (10) Attaching a swab to a syringe under a laminar flow hood, gloved hands working SporeKit™ Syringe
View all 14 Sterile & Lab Equipment →
Agar-agar powder: fine pale golden powder heaped on a white surface Additives & Chemicals
3% Hydrogen Peroxide (1L) Agar-agar powder: fine pale golden powder heaped on a white surface Agar‑Agar Powder (50g) Dextrose: a mound of pure white crystalline powder Dextrose (100g) Glycerine (130ml) Light malt extract: a heap of pale cream powder on a white surface Light Malt Extract (LME 100g) Peptone (10g) Urea granules: small white spherical pellets heaped on a dark surface Urea Granules (1kg)
View all 7 Additives & Chemicals →
Special Offers

We're here to colonise this scene with the best mushroom grow kits in the UK and a massive choice of magic mushroom spores for your microscope research.

When you speak to us, you'll be speaking with a human being who sees you as the same, not a bot or someone who would have been better off having a bot speak for them.

News · Monday 24th Aug

We are reordering our week schedule in the run-up to the busiest time of the year for us (September onwards). We will no longer dispatch on Mondays and Tuesdays, as these days will now be for producing stock (like grow kits, supplies, spores). This will allow us to be faster at building up larger stocks to cope with demand - it’s way more efficient. This means we will only be dispatching on Wednesdays, Thursdays and Fridays. This starts next week, on Monday 31st August.

Team Cylocybe.

A laser-cut wooden Cylocybe syringe keepsake held in a gloved hand
Woodlovers galore

Most bought

Best-selling spore syringes & grow kits.

These are the products a lot of people go for, the Cylocybe Special MycoBox Grow Kit has sold so many we had to move to an industrial unit to cope with demand!

A MycoBox from above showing white mycelium patches growing through the dark substrate

MycoBox Grow Kit

A single-stage gourmet mushroom kit. You inject your own gourmet culture straight into the sterile substrate box through the grey ports on the lid, leave it to colonise, then dunk the whole colonised...
Golden Teacher cubensis: broad golden-amber caps flecked with white on pale thick stems, grey gills showing beneath

Golden Teacher

Golden Teacher is the strain most people picture when they think of a magic mushroom: broad golden-amber caps, a generous dark purple-brown print, and textbook-clean spores. It has been the go-to...
A colonised MonoBox cake held in one hand with mushrooms fruiting from every surface

MonoBox™ Grow Kit

Like a dialled-in 'Monotub' grow without the hassle! Give your mushrooms the humidity and airflow they deserve with our brand-new included Cylo Grow Tent. Updated for 2026 with a bigger SpawnTub...
B+ cubensis: broad caramel caps with dark centres on thick pale stems, a generous flush

B+

B+ is the friendly giant of the Psilocybe cubensis world: broad caramel caps, a generous, reliable spore drop, and clean spores that make it the strain most people put under their first microscope...
Pallets of Cylocybe parcels boxed and ready to be collected for dispatch
We’re every courier driver’s worst nightmare!

Microscopy Spores

Psilocybe cubensis spores.

We're all here for the same thing, to check these out under the microscope!

Every spore syringe is made clean with a state of the art ISO4 (better than ISO5) laminar flow hood and with sterile technique developed over 20 years.

And every Psilocybe cubensis is available in 12ml, 3ml and 1ml spore syringes, 12ml vials, spore swabs and foil spore prints.

Our microscopy spores are sold for legal microscopy research only. Our grow kits are strictly for culinary or medicinal cultivation. Never mix the two together.

Golden Teacher cubensis: broad golden-amber caps flecked with white on pale thick stems, grey gills showing beneath

Golden Teacher

Golden Teacher is the strain most people picture when they think of a magic mushroom: broad golden-amber caps, a generous dark purple-brown print, and textbook-clean spores. It has been the go-to...
B+ cubensis: broad caramel caps with dark centres on thick pale stems, a generous flush

B+

B+ is the friendly giant of the Psilocybe cubensis world: broad caramel caps, a generous, reliable spore drop, and clean spores that make it the strain most people put under their first microscope...
Two 12ml Psilocybe cubensis spore syringes with red caps, laid crossed on a white background

Our Selection

Our Selection is exactly what the name says: a house-chosen Psilocybe cubensis, picked for being a generous, reliable depositor with textbook-clean spores rather than for any documented lineage. It...

Shop Cubensis Spores →

Spore stock status.

We are currently awaiting an imminent restock for some of these! If you want reminding when something comes back in stock, go to the product page and click 'Tell me when it's back' and we'll drop you an email.

Show only

Psilocybe cubensis

A Strain1/3/12/V/S/P A+ Albino1/3/12/V/S/P Amazonian1/3/12/V/S/P APE Revert1/3/12/V/S/P Australian Gold Cap1/3/12/V/S/P B+1/3/12/V/S/P Ban Hua Thai1/3/12/V/S/P Blue Magnolia1/3/12/V/S/P Blue Meanie1/3/12/V/S/P Burma1/3/12/V/S/P Cambodian1/3/12/V/S/P Corumba Brazil1/3/12/V/S/P Costa Rican1/3/12/V/S/P E4K1/3/12/V/S/P Ecuador1/3/12/V/S/P Escondido1/3/12/V/S/P Fiji1/3/12/V/S/P Full Moon Party1/3/12/V/S/P Golden Halo1/3/12/V/S/P Golden Teacher1/3/12/V/S/P Guapiles1/3/12/V/S/P Gulf Coast1/3/12/V/S/P Hawaiian1/3/12/V/S/P Hitchhiker1/3/12/V/S/P Huautla1/3/12/V/S/P Jedi Mind Fuck1/3/12/V/S/P Koh Samui1/3/12/V/S/P Leucistic Burma1/3/12/V/S/P Leucistic Ecuador1/3/12/V/S/P Lizard King1/3/12/V/S/P Malabar Coast1/3/12/V/S/P Mazatapec1/3/12/V/S/P McKennaii1/3/12/V/S/P Mexican Dutch King1/3/12/V/S/P Moby Big1/3/12/V/S/P Nepal Chitwan1/3/12/V/S/P Nezuko1/3/12/V/S/P Our Selection1/3/12/V/S/P Pakalensis1/3/12/V/S/P Penis Envy1/3/12/V/S/P Penis Envy Uncut1/3/12/V/S/P Pensacola1/3/12/V/S/P Pink Buffalo1/3/12/V/S/P Psylocybe Fanaticus1/3/12/V/S/P Puerto Rican1/3/12/V/S/P Redboy1/3/12/V/S/P Rusty White1/3/12/V/S/P Stargazer1/3/12/V/S/P Take Mountain1/3/12/V/S/P Taman Negara1/3/12/V/S/P TEX PE61/3/12/V/S/P Texas Yellow Cap1/3/12/V/S/P Tidal Wave1/3/12/V/S/P Treasure Coast1/3/12/V/S/P VZ3 (Venezuela)1/3/12/V/S/P White Golden Teacher1/3/12/V/S/P Yosterizii1/3/12/V/S/P Z-Strain1/3/12/V/S/P

Rare & exotic

Species like Psilocybe Cyanescens and more will be restocked in the coming days.

Gymnopilus Luteofolius1/S/P MIB1/S/P TTBVI1/S/P Psilocybe Azurescens1/S/P Psilocybe Cyanescens1/S/P Psilocybe Mexicana1/S/P Psilocybe Semilanceata1/S/P Psilocybe Subaeruginosa1/S/P Psilocybe Tampanensis1/S/P

Spores

How spore syringes are produced and prepared.

From our flowhood

Preparing your syringes as clean as we possibly can.

To get an idea of the attention to detail which earned us the respect for actual quality, not the saying 'quality' and not really meaning it, well, it's about investing in the best equipment we can afford and having OCD levels of attention, it's where some of those traits like OCD or the hyperfocus ADHD gives you become your super powers! It's impossible to teach that, you have to want to provide the best for the customers who pay you hard-earned money:

After our syringes are filled with spore solution, they are immediately passed over to a second expert responsible for screwing on the sterile syringe caps, all whilst sitting in front of our ISO4 HFLT1800 laminar flow hood (10 times finer filtration than the industry standard ISO5).

The capped spore syringes are then quickly sealed in ziplock bags.

Once we finish filling and capping the spore syringes, we clean the stainless steel workspace. Then, one by one, we take each spore syringe and pack it into a laminar-foil, light-blocking bag. We never label within the lab because dirty, sticky labels don't mix well with latex-gloved hands and sitting a printer in front of a laminar flowhood would call for some life choice evaluation!

This all means the syringe itself will never be labelled, keeping it super clean. When the time comes to remove it from the foil bag, you won't cross-contaminate your workspace by handling a syringe with a dirty trich-ridden exterior.

Our labelling is performed on the laminar-foil bag after we exit the the laminar flow hood and lab and we strictly only use labels made from polypropylene so YOU can safely wipe the whole thing down with isopropyl alcohol before taking it into your SAB for that extra caution.

Our entire production process for spore syringes is carefully thought out and designed for the customer's benefit, not our own (and yet, our prices are still amongst the lowest in the UK).

Exotics & rare species

Rare & exotic magic mushroom spores.

We also carry many more species for the serious microscopy connoisseur, like Pan. cyanescens (MIB and TTBVI), Psilocybe azurescens (the flying saucer), Psilocybe cyanescens (the wavy cap), sclerotia / truffle spores like Psilocybe mexicana and P. tampanensis, and much more.

Please bear in mind that many of our exotic species are wild-foraged and printed, and so could have the odd hitchhiker, unlike our P. cubensis, which are legally lab-cultivated and printed for ultimate cleanliness.

Browse Rare & Exotic Spores →

Gymnopilus luteofolius: rusty pink-orange caps with a scaly surface on matching stems, growing on wood chips

Gymnopilus Luteofolius

Gymnopilus luteofolius is a different animal from the cubensis most spore pages are built around. It is not even the same genus. Where a Psilocybe drops a purple-brown print, this one drops a bright...
Panaeolus cyanescens MIB: grey-white domed caps on long slender stems, the jet-black printing Panaeolus

MIB

MIB (Men in Black) is a man-made hybrid line of Panaeolus cyanescens, a three-way cross (PHV x BVI/TTBVI x Nec'D) bred by the Magic Myco group and named for its unusually dark fruits. Same...
Out of stock Panaeolus cyanescens TTBVI: slim grey-white bell caps on fine pale stems, growing on dung

TTBVI

TTBVI (Tamarind Tree British Virgin Islands) is a wild-collected locality line of Panaeolus cyanescens, reportedly found fruiting in a bag of pasture manure under a tamarind tree in the BVI. Same...

Out of stock

Psilocybe azurescens: caramel caps with a raised centre growing among green leaves and grass

Psilocybe Azurescens

Psilocybe azurescens is the famous "Flying Saucer" of the Oregon and Washington coast, a tall, caramel-capped wood-lover that fruits into the cold of late autumn and winter on buried wood debris and...
Out of stock Psilocybe cyanescens, the Wavy Cap: caramel caps with wavy rippled edges and pale gills, growing in leaf litter

Psilocybe Cyanescens

Psilocybe cyanescens, the "Wavy Cap", is the wood-loving member of the bluing Psilocybe group and one of the most distinctive species a collector can put under a scope. Where a cubensis is a...

Out of stock

Psilocybe mexicana: pale tan bell caps with fine radial lines, glistening with moisture

Psilocybe Mexicana

Psilocybe mexicana is a small, fragile, ochre-brown grassland mushroom from the Mexican and Central American highlands, described by Roger Heim in 1957. It is the species Albert Hofmann's Sandoz lab...
Out of stock Psilocybe semilanceata, the Liberty Cap: a single small pointed brown cap growing in grass

Psilocybe Semilanceata

Psilocybe semilanceata, the Liberty Cap, is the small, sharply pointed grassland mushroom that most of Europe pictures when it hears "magic mushroom", and it is genuinely the most widely distributed...

Out of stock

Psilocybe subaeruginosa: olive-brown caps bruising blue-green, growing on woody debris

Psilocybe Subaeruginosa

Psilocybe subaeruginosa is the flagship wood-loving Psilocybe of temperate Australia and New Zealand, fruiting on rotting wood, bark mulch and garden woodchip rather than the dung that cubensis...
Psilocybe tampanensis: small orange-brown conical caps on long thin stems in a dense group

Psilocybe Tampanensis

Psilocybe tampanensis is the famous sclerotia-forming species, the original "Philosopher's Stone." Described in 1978 from a single Tampa, Florida collection, it is genuinely rare in the wild and...
Gymnopilus Luteofolius MIB TTBVI Psilocybe Azurescens Psilocybe Cyanescens Psilocybe Mexicana Psilocybe Semilanceata Psilocybe Subaeruginosa Psilocybe Tampanensis

Sclerotia species

Magic truffle microscopy spores.

The mushroom species commonly known as 'magic truffles' are particularly extraordinary, due to their ability to form into both mushrooms or schlerotia stones dependant on the fruiting conditions. 600X magnification is what we recommend!

Dried sclerotia
Psilocybe mexicana: pale tan bell caps with fine radial lines, glistening with moisture

Psilocybe Mexicana

Psilocybe mexicana is a small, fragile, ochre-brown grassland mushroom from the Mexican and Central American highlands, described by Roger Heim in 1957. It is the species Albert Hofmann's Sandoz lab...
Psilocybe tampanensis: small orange-brown conical caps on long thin stems in a dense group

Psilocybe Tampanensis

Psilocybe tampanensis is the famous sclerotia-forming species, the original "Philosopher's Stone." Described in 1978 from a single Tampa, Florida collection, it is genuinely rare in the wild and...

Sterile and injectable

Mushroom grow kits,
made easy.

At Cylocybe, our mission (as corny as it sounds) is to make mushroom growing as common as house plants!

Nervous newbie? Don't be... Growing mushrooms is EASY. Our mushroom growing kits come with grow guides, plus we're here to help if you get confused about anything - just ask us.

As well as growing mighty mushrooms with success, you'll be fascinated with every step of the journey. From watching the mycelium take over the mushroom spawn, then into the substrate, to the tiny pinheads that form into big mushrooms, to the caps which stretch open to rain down spores... The full life cycle, from spore to spore. If that doesn't get you excited, you've picked the wrong hobby!

A Cylocybe Special MycoBox grow kit held in a gloved hand, colonised substrate visible through the window
Cylocybe Special MycoBox GK ft. Pioppino
A MycoBox from above showing white mycelium patches growing through the dark substrate

MycoBox Grow Kit

A single-stage gourmet mushroom kit. You inject your own gourmet culture straight into the sterile substrate box through the grey ports on the lid, leave it to colonise, then dunk the whole colonised...
A colonised MonoBox cake held in one hand with mushrooms fruiting from every surface

MonoBox™ Grow Kit

Like a dialled-in 'Monotub' grow without the hassle! Give your mushrooms the humidity and airflow they deserve with our brand-new included Cylo Grow Tent. Updated for 2026 with a bigger SpawnTub...
XL PF-Tek MycoBox from the side, showing the depth of packed brown substrate through the clear tub wall

PF-Tek MycoBox Grow Kit

A single-cake PF-Tek kit and the simplest way in. You inject your own gourmet culture through the one rubber port on a sterile brown-rice-and-vermiculite cake, let it colonise in the box it came in...
Injecting a PF-Tek MycoPot: a gloved hand pushing a syringe needle through the port in the lid

PF-Tek MycoPots Grow Kit

A PF-Tek kit with three small brown-rice cakes that you inject with your own gourmet culture, one at a time. Each colonises in its own pot, then you dunk and roll the cakes and fruit all three...
Cylocybe grow kits packed and labelled on the shelf
Doing Robert McPherson proud
A MonoBox grow kit in full flush with Pioppino mushrooms
Pioppino and MonoBox™ GK

Every product comes with simple instructions. On our busiest weeks, we can produce and dispatch up to 200 MycoBox and MonoBox™ grow kits... our guides have to be perfect.

We pioneered the injectable MycoBox design that's been copied across the industry. When you buy from Cylocybe, you're getting the genuine product.

Shop Mushroom Grow Kits →

Sabla™ / Still-air Box (S/M/L/XL) - laser-cut arm holes for sterile mushroom work

Featured

Sabla™

Want a SAB that's not a potato? Measure your arm, choose your size and we'll send you a lid with armholes lasercut to perfection. Stop trying to burn holes and poisoning yourself with fumes. Competitors - know better!

Shop Sabla™ →

Replacement cover, explained

EZ-Replace™

EZ-Replace™ is by far, the most generous thing we've ever brought to Cylocybe. Even more so than doing away with BS spore prices. Read below to see what we mean by that.

Spore syringes and vials from £2 · 6 weeks

We already cover spore syringes for up to 4 weeks, but this requires you to explain what the issue is and will always be at our discretion whether we replace or not. EZ-Replace™ guarantees an easy replacement for up to 6 weeks, with no questions asked and a self-management portal to let you add the replacement straight to your basket.

Grow kits for gourmet from £3 · 12 weeks

Without EZ-Replace™, a grow kit is covered before it has been used. Once you have started it we may still replace the main sterile component, but we will need photographs and it is always at our discretion. EZ-Replace™ guarantees an easy replacement for up to 12 weeks, used or not, with no questions asked and the same self-management portal.

We built this to be human. If you need a replacement, or if shit's tight, just take one.

Read how it works →

Gourmet favourites

Grow gourmet mushrooms at home.

Our selection includes a wide range of delicious and easy-to-grow species, including shiitake, king oyster, and lion's mane. All of our cultures are lab-processed from certified mother cultures, ensuring the highest quality and success in your home mushroom cultivation efforts.

Out of stock Lion's Mane: a large white mushroom of cascading icicle-like spines growing from tree bark

Lion's Mane

This is live lion's mane (Hericium erinaceus) mycelium growing in a sterile sugar broth, held in a sealed syringe. You inject a small amount into your own sterilised grain through a port, let it...

Out of stock

Out of stock Pink Oyster mushrooms: close-up of coral-pink gills fanning out in overlapping layers

Pink Oyster

This is a syringe of living mushroom mycelium, not spores. The Pink Oyster strain is already growing in a sterile sugar broth, so when you inject it into sterilised grain it takes hold faster than a...

Out of stock

Out of stock King Oyster mushrooms: a cluster of thick white stems with small pale grey caps, growing outdoors

King Oyster

This is a syringe of living Pleurotus eryngii (King Oyster) mycelium suspended in a sterile, dilute sugar broth. You inject a small amount into sterilised grain, agar or supplemented hardwood to...

Out of stock

Shop Gourmet Liquid Cultures →

Spawn, substrates & supplies

Mushroom growing supplies.

Looking for Vermiculite, Perlite, Coco Coir, Brown Rice Flour or some other mushroom growing supply? We stock just about everything you can want in this hobby!

Medium grade vermiculite: coarse gold-brown mineral flakes

Vermiculite (10L)

Vermiculite is a natural mica mineral that is heat treated until it puffs up into light, spongy gold-brown flakes. Those flakes hold a lot of water and let it back out slowly, which is exactly what...
Perlite: irregular chalky white granules of expanded volcanic glass

Perlite (5L)

Perlite is expanded volcanic glass. The raw rock holds a little water inside it. Heated until that water flashes to steam, it pops into light, porous white grains full of tiny air pockets. In...
Coco coir brick: a compressed rectangular block of dark brown coconut fibre

Coco Coir (650g)

Coco coir is the spongy, fibrous material left over when coconut husks are processed. It is sold as a dry compressed block because it is light and stores small. Pour hot water over it and it swells...
Brown rice flour: a smooth cream-coloured powder filling the frame

Brown Rice Flour

Brown rice flour is the food source in a PF Tek mushroom substrate. On its own it is just flour, so it is always mixed with vermiculite and water, packed into jars, and sterilised before use. Ours is...
Shelves of mushroom growing supplies stocked in the Cylocybe unit
A mouse’s dream come true (discovered the hard way!)

View All Cultivation Supplies →

SporeKit grain spore testing kit jar

SporeKit™ Testing Kit

Test your gourmet mushroom spores
before risking your grow.

Gourmet spore syringe producers can't test every syringe they sell. If they claim otherwise, they're full of it. A few pounds for a SporeKit gives you the means to verify your own gourmet mushroom spores before risking your substrate.

Choose between Grain (for syringes) or Agar (for swabs). And here's the clever bit: successful tests double as live culture syringes. The mycelium that grows out from a clean test can be injected directly into a grow kit which we demonstrate in the photos below.

Perfect your sterile technique and grow cleaner flushes.

Shop SporeKit →

SporeKit in use 1 / 27

In stock now

Newly stocked.

We're working hard to stock our shelves right now! If there's a particular mycology supply we don't have, chances are we have it so get in touch.

Two SpawnTubs side by side, each a clear tub of rye grain with a pink filter and black port

Rye Grain SpawnTubs™ (Sterile)

A tub of sterile organic rye grain, ready to inoculate. You inject 2-3ml of your own gourmet culture through the self-healing port, shake it through, and let the grain colonise. Once it is solid...

Glycerine (130ml)

Glycerine, also called glycerol, is a clear, thick, faintly sweet liquid. The bottle we supply is USP food grade at a minimum of 99.5 percent purity, the same grade used in food and cosmetics. In...

3% Hydrogen Peroxide (1L)

Hydrogen peroxide at 3%, also called 10 volume, is the dilute grade growers reach for when cobweb mould first appears. A fine mist bursts the loose grey hyphae on contact, then the peroxide breaks...
Light malt extract: a heap of pale cream powder on a white surface

Light Malt Extract (LME 100g)

Light Malt Extract is the dried extract of malted barley. It is the sugar-rich nutrient base in two of the most common growing media: malt extract agar for petri dishes, and malt extract liquid...
Dextrose: a mound of pure white crystalline powder

Dextrose (100g)

Dextrose is D-glucose, a single simple sugar that mushroom mycelium can take up and use straight away. It is the carbon source in most liquid culture and agar recipes. You dissolve a small amount in...
Agar-agar powder: fine pale golden powder heaped on a white surface

Agar‑Agar Powder (50g)

Agar-agar is a gelling powder made from red seaweed. On its own it has no food value for fungi, so it is not a complete medium. You mix it with water and a nutrient such as light malt extract...
Agricultural lime: a heap of bright white calcium carbonate powder

Agricultural Lime (Calcium Carbonate) 1kg

Agricultural lime is finely milled calcium carbonate (ground limestone or chalk). In mushroom growing it does one main job: it acts as a slow, mild pH buffer. It holds a casing layer or bulk...
Gypsum: a fine white powder, calcium sulphate, filling the frame

Gypsum (Calcium Sulphate) 3kg

Gypsum is powdered calcium sulphate dihydrate (CaSO₄·2H₂O). In grain spawn it coats the kernels and soaks up surface moisture so they stay separate instead of setting into a solid block, which lets...

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Psilocybe Cubensis

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Reviews

What customers say.

Your experience makes a huge impact, personally and professionally. Fewer than 1% of customers leave a review, so your story is a powerful guide for other mycoscopy geeks and growers. That's why we don't ask for feedback straight away. We wait a couple of months to give you a proper chance to test our products. When you see that invitation email, we'd be massively grateful for your honest feedback.

Thank you cards sent in by Cylocybe customers, covering a fridge door
Cylocybe customers are the best ❤️
★★★★★
This is my second order and it’s as perfect as my first one. If I had a criticism it would be I preferred the brownie I received with my first order as opposed to the cookies I received with my second, that’s how pleased I am with the service from you. Ps the cookies were nice though
Paul C. · Shop review
★★★★★
I was blown away by extra snack bars in the box it hasn’t been 5 seconds and I’m chewing on it, the rest of the day was legendary due to that occurrence. But don’t expect it, it won’t be a surprise then. And after all maybe Its for higher value orders or I’m just special, but overall its a value packed easy peasy to understand package I love these people behind all this. It’s the easiest thing i could have gotten, life is easy.
Ausvydas · Shop review
★★★★★
I bought, I grew, I harvested, and I consumed. I waited for all four before leaving a review. I am a first time grower, hence I even dehydrated my culinary mushrooms on my radiator. I ended up with about 28 grams of culinary mushrooms after drying, and that was after throwing my brick out after 3 flushes, even though it could have handled at least one more - mainly because the mycelium was looking tired. My fault, I'm only new. Very happy with product. Better than I expected. Start to end-of-third-flush took 2.5 months.
Anonymous on MonoBox™ Grow Kit
★★★★★
Well packaged, and with absolutely no signs of contamination when viewed under a microscope. I imagine that if a hardened criminal were to cultivate them, by now the spores would be busily colonizing a spawning substrate with pure white mycelium.
Nicholas on Psilocybe Cubensis - Golden Teacher
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Hi folks, these are specifically for the MycoBox grow kit.

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Making it rain at Cylocybe. Using our brand new label machine.

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Grow tent for some seriously simple dialled-in mushroom fruiting.

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So fresh and so clean at Cylocybe.

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Psilocybe cubensis spore print; a dark print of the underside of a mushroom where its spores have dropped on to a square piece of foil
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Analytical scales will scratch that curiosity itch!

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Frequently asked questions

Spore and grow-kit basics.

Are your spore products legal to buy?

Yes. In the UK it is legal to possess and sell Psilocybe mushroom spores for the purpose of microscopy and collection, because the spores themselves contain no psilocybin or psilocin. Germinating and cultivating them is illegal and not what we sell them for. All our magic-species products are sold strictly for research, microscopy, and collection.

What's the difference between spore syringes and liquid culture?

A spore syringe contains dormant spores in sterile water, intended for microscopy. A liquid culture contains live, actively growing mycelium in a nutrient broth, used for cultivating legal gourmet species and giving you faster, more reliable colonisation than starting from spore.

What does ISO4 actually mean?

It's the cleanliness classification of our laminar flow hood. ISO4 is one tier stricter than ISO5, with fewer than 10,000 particles ≥0.1 µm per cubic metre of air. Every syringe is pulled under that hood, every time.

How long does shipping take?

It comes in two parts: how quickly we dispatch, then how long the courier takes. Dispatch time varies by product and is shown on each product page (spores go out faster than made-to-order grow kits). Once dispatched, most UK orders arrive within 1-3 working days of dispatch depending on whether you pick Express or Economy, and worldwide delivery is typically 5-15 working days depending on the service you pick. Your exact dispatch date and delivery estimate are shown at checkout for your address before you pay.

Is shipping discreet?

Yes. Plain packaging, no branding, no give-away of contents.

What's the difference between MonoBox™ and MycoBox?

MonoBox™ is the simple all-in-one (just inject and wait), our customer favourite. MycoBox is the original injectable design we pioneered. MycMonster™ XL is the brand-new oversized variant for big yields. All three accept the same syringes.

Why do we always use ™ for product names?

Since we started in 2017, we've been copied rotten. When I say that, I mean it. From entire clones of our site, our copy, Ruth's illustration style, our killer innovations like glueless injection ported lids (yep, us!), my CVG+Coffee (aka Cylocybe Special grow kits), the components of a new gen commercial sterile grow kit (inc. perlite - us, inc. sterile gloves - us, inc - chlorhexidine wipes - us, inc. SacO2 bags as a fruiting tent - us) You get the idea. Our product copy, our HTML code (as well as the hilarious bug I couldn't fix on it). The only vendor to ever ask our permission to use a product idea was MushBuddies. The Morel of the story - if we put TM on a name, it's just a sign to the competitors who watch our site more than we watch theirs to give us a break. Sorry, that turned into a bit of a rant.

What if my spores look wrong under the microscope?

Optional cover you add in the basket. If a covered item lets you down, a like-for-like replacement drops into your basket for £0, no questions asked. We may still allow some replacements regardless, but this will be judged on a case-by-case.

What if you don't stock the strain I want?

If there are any magic spores we don't have, let us know and we'll put an order in. Our catalogue is driven by what customers actually ask for. Drop a request and we'll source it.