Caley Brothers
South EastGrow kitsSpawn & culturesCourses
Shiitake and oyster grow kits, fresh spawn by voucher, workshops
Grows OysterLion's maneShiitake
All suppliers / Grow kits
Mushroom Grow Kits in the UK
Ready-to-fruit kits for oyster, lion's mane, shiitake and more. The easiest way to start: open the bag, mist it, harvest in a couple of weeks. 21 suppliers listed.
Cheshire Mushrooms
North WestGrow kitsSubstrates & bags
Home grow kits, grow bags (Unicorn 10T, large filter bags), fresh mushrooms
Cotswold Mushrooms
South WestGrow kits
Lion's mane grow kit (other range not confirmed)
Grows Lion's mane
Deer Manor Mushrooms
ScotlandGrow kits
Organic gourmet grow kits (incl. lion's mane); supplies Scottish restaurants
Grows Lion's mane
Fat Fox Mushrooms
LondonGrow kitsCourses
Indoor and outdoor (log/bed) grow kits, workshops, mentorship, consultancy, wholesale
Grows OysterLion's maneShiitakeReishiEnokiCordycepsPioppino
Fungi Foods
WalesGrow kitsSubstrates & bags
Ready-to-fruit blocks (oysters, enoki, lion's mane), grow bags, fresh and dried mushrooms, wholesale fruiting blocks
Grows OysterLion's maneEnoki
Fungi Futures CIC
South WestGrow kits
Part-grown pearl oyster kits on organic straw
Grows Oyster
Gourmet Woodland Mushrooms
YorkshireGrow kitsSpawn & cultures
Plug, sawdust and grain spawn; kits across ~25 species; hobby and pro
GroCycle
South WestGrow kitsCourses
Soil Association certified grow kits; online growing courses
Grows OysterLion's mane
Grow Kit Mushroom (Mushroom Box Ltd)
South WestGrow kitsSpawn & culturesSubstrates & bagsLab & equipment
Oyster & lion's mane kits, DIY kits, grow tent, Master's Mix, hardwood pellets, soy hulls, grow bags, grain spawn, liquid culture, agar, syringes
Grows OysterLion's mane
Grow Mycelium UK
North WestGrow kitsSpawn & culturesSubstrates & bagsLab & equipment
Sterilised grain, liquid culture library, CVG & bulk substrates, grow kits (lion's mane, oyster), autoclaves, flow hoods, lab space
Grows OysterLion's maneReishi
Grow Urban
ScotlandGrow kitsShops & retailers
Stocks Urban Farm-It and Some Funguys kits
Marshalls Garden
East of EnglandGrow kitsShops & retailers
Mushroom growing kits (small range)
Martian Mushrooms
South EastGrow kitsSpawn & culturesSubstrates & bagsLab & equipment
Grow kits (Mushbag), sterile grain & substrates, spawn & cultures, monotubs, grow bags, lab supplies, equipment
Grows OysterLion's maneShiitakeReishiPioppinoChestnut
Merit Mushrooms
East of EnglandGrow kitsSpawn & culturesSubstrates & bags
Grain spawn and mycelium, grow kits, ready-to-fruit blocks, fresh and dried exotic mushrooms
mushroomkit.co.uk
Online / UK-wideGrow kitsSpawn & culturesSubstrates & bagsLab & equipment
Filter grow bags, MycoFarm/MycoBox kits, liquid culture, agar, incubators, heat sealers
Slad Valley Mushrooms
South WestGrow kits
Grow kits, fresh, dried and medicinal mushrooms, lion's mane products
Grows Lion's mane
Some Funguys
ScotlandGrow kits
Grey oyster fruiting-block kits from an Edinburgh farm
Grows Oyster
Urban Farm Mushrooms
North EastGrow kitsSpawn & culturesSubstrates & bags
Sterilised substrate, liquid mycelium, grow kits, fresh/dried mushrooms, supplements
Wiggly Wigglers
MidlandsGrow kitsShops & retailers
Black oyster and lion's mane 2kg kits prepared on the farm
Grows OysterLion's mane
Yorkshire Mushroom Emporium
YorkshireGrow kitsCourses
Indoor/outdoor grow kits, fresh gourmet mushrooms, cultivation courses, foraging walks, tinctures
Grows OysterLion's maneShiitakeCordyceps
What should I buy?
Most people start with a kit, then move to spawn once they want bigger harvests. Here's how the options differ.
- BeginnerGrow kit
- A block of substrate already full of mycelium. Cut it open, mist it twice a day and pick mushrooms in about 1–3 weeks. Oyster is the most forgiving; lion's mane is the popular next step.
- Next stepGrain spawn
- Grain fully colonised by one species, used to inoculate a larger batch of substrate such as straw, pellets or Master's Mix. Use it fresh; it keeps a few weeks in the fridge.
- OutdoorsPlug spawn
- Wooden dowels you hammer into freshly cut hardwood logs. Slow to start, often 6–18 months to a first flush, but logs can fruit for several years. Shiitake is the classic choice.
- Lab workLiquid culture
- Mycelium suspended in sugar water in a syringe, used to inoculate sterilised grain to make your own spawn. Needs clean technique and a pressure cooker or still air box.
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