your own mushroom spawn is not difficult. You just need a few key
ingredients and accessories and you’ll be on your way. We have
outlined the required materials below and then detailed the
Piece – a small piece of the mushroom variety you’d like to
or Pressure Cooker – an autoclave is a high pressure device used
to sterilize equipment it runs anywhere from $30 to $2000 depending
on the size and quality of unit you are looking for. Pressure
cookers can also be used and are widely available and cost between
$50 - $100.
Plate Petri Dishes – yes, the things you used in science class.
This is a Petri dish that contains the growth medium agar. Agar is
gelatin substance that is made from seaweed cells and aids in
encouraging culture growth. These can be found on Amazon.com for
Filter Air Purifier – these can be found on Amazon.com for about
Grain – this can be found on Amazon.com for about $5 for
– there can be found on Fungi.com for about $15 for 4.
Steps To Make Mushroom Spawn
up your workspace. You need a closed in area. A small shed or closet
works well. Be sure you can enclose the space with either a door or a
tarp. Once your space has been selected, you need to disinfect the
entire area. This is accomplished by wiping it down with 10% bleach
to water solution. Every surface must be sterilized. Then clean the
air with the HEPA Filter Air Purifier.
all your equipment that will be used for the spawn production. You
can either buy materials already sterilized or you must sterilize
yourself. You can sterilize equipment with an autoclave or pressure
cooker. Remember not to bring anything into your work area that is
not sterilized. Be sure to use the sterilization equipment as
recommended by the product instructions. In general, sterilization
generally takes place at over 200-degrees Fahrenheit with about 15
PSI of pressure for about 45 minutes.
the small piece of mushroom on an agar plate Petri dish. Cover and
let it sit undisturbed in your workspace. Keep it moist. And be sure
to monitor the temperature in the room as each variety of mushrooms
has different ideal temperatures. This step usually takes about 2
the Petri dish is filled with long, healthy strands it is time to
transfer. At this phase the material is called mycelium. Do not let
the mycelium grow too long in the small dishes. Transfer to the
sterilized grain in jars. Allow it to colonize for about 2 – 4
weeks under the correct temperature for the mushroom variety.
an eye on your jars. You are looking for white filaments. This is
your grain spawn and will now produce mushrooms.
way to go is to just buy a kit. They are packed with all the
materials you need and are reasonably priced. Check out this Mushroom
For under $100, you have all the equipment as well as the grain.