Mushroom Grain Spawn

 Fungi Perfecti's Grain Spawn comes in two forms and each Grain Master can be expanded to up to 1000 times its mass.

 Fungi Perfecti's Grain Spawn comes in two forms and each Grain Master can be expanded to up to 1000 times its mass.

Learn more about Mushroom Grain Spawn +

Fungi Perfecti's Grain Spawn comes in two forms.
Fungi Perfecti's Grain Spawn comes in two forms. The first is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with an autoclavable lid and Synthetic Filter Disc (approximate yield per jar: 2/3 gallon). The second is a first- or second-generation Grain Master in a disposable Spawn Bag with Filter Patch (approximate yield per bag: 1.25–1.5 gallon). Each Grain Master can be expanded to up to 1000 times its mass.

Please note: unlike our ready-to-grow Mushroom Patches and Plug Spawn, our Grain Spawn does not come with instructions. It is up to the purchaser to familiarize him/herself with the techniques of sterile mushroom tissue culture to properly use these products. The books Growing Gourmet & Medicinal Mushrooms and The Mushroom Cultivator are essential texts in this field.
Terms of Use of Fungi Perfecti's Grain Spawn
When you place an order for Fungi Perfecti's Pure Mushroom Grain Spawn, you will be required to read and acknowledge a Sale Agreement prior to delivery. The text for this agreement is available for viewing online:

An Important Note for our Customers in the Hawaiian Islands

The Hawaii State Department of Agriculture has recently increased their restrictions on the importation of live mushroom mycelium into the islands. This affects the sale of Fungi Perfecti's Indoor and Outdoor Mushroom Patches, Plug Spawn for Log and Stump Cultivation, and Pure Mushroom Spawn and Cultures. Customers in Hawaii wishing to purchase any of these products will need to first apply for and receive an Import Permit from the HSDA Plant Quarantine Branch. Additionally, importation of our MycoGrow™ products is completely prohibited.

The permit can be downloaded in Adobe Acrobat format online here. If you have further questions, you can contact Fungi Perfecti or speak directly to Amy Takahashi at the Hawaii State Department of Agriculture, 1428 S. King Street, Honolulu, HI 96814. Phone: (808) 832-0589.
True Morel Grain Master Bag

True Morel Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Shiitake Grain Master Jar

Shiitake Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Black Morel Grain Master Bag

Black Morel Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Reishi Grain Master Bag

Reishi Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Pearl Oyster Grain Master Bag

Pearl Oyster Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Lion's Mane Grain Master Jar

Lion's Mane Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Blue Oyster Grain Master Jar

Blue Oyster Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
True Morel Grain Master Jar

True Morel Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Shiitake Grain Master Bag

Shiitake Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Reishi Grain Master Jar

Reishi Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Pioppino Grain Master Jar

Pioppino Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Pioppino Grain Master Bag

Pioppino Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Pink Oyster Grain Master Jar

Pink Oyster Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Pink Oyster Grain Master Bag

Pink Oyster Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Phoenix Oyster Grain Master Jar

Phoenix Oyster Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Phoenix Oyster Grain Master Bag

Phoenix Oyster Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Pearl Oyster Grain Master Jar

Pearl Oyster Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Nameko Grain Master Jar

Nameko Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Nameko Grain Master Bag

Nameko Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Maitake Grain Master Jar

Maitake Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00
Maitake Grain Master Bag

Maitake Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Lion's Mane Grain Master Bag

Lion's Mane Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Blue Oyster Grain Master Bag

Blue Oyster Grain Master Bag

$69.00

FP's ready-to-inoculate, pure mushroom Grain Spawn is offered in a disposable Spawn Bag with Filter Patch (approximate yield 1¼–1½ gallon). Each un...

View full details
$69.00
Black Morel Grain Master Jar

Black Morel Grain Master Jar

$69.00

FP's ready-to-inoculate, pure mushroom Grain Master Jar is a first- or second-generation Grain Master in a reusable 1-gallon glass jar fitted with ...

View full details
$69.00

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