Mushroom Spawn, Grow Kits, & Supplies | Johnny's Selected Seeds

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Choose from sawdust spawn for production in garden beds, logs, and containers, and plug spawn for production in logs. We offer a variety of strains, all certified organic and satisfaction guaranteed.

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22 Products

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Lion's Mane Sawdust Spawn Sawdust Spawn

Lion's Mane Sawdust Spawn

Organic Mushrooms

Unique and versatile.

Out Of Stock

Lion's Mane Plug Spawn – 100 Count Plug Spawn

Lion's Mane Plug Spawn – 100 Count

Organic Mushrooms

Unique and versatile.

Out Of Stock

Blue Oyster Plug Spawn – 100 Count Plug Spawn

Blue Oyster Plug Spawn – 100 Count

Organic Mushrooms

Vigorous and reliable.

Out Of Stock

Italian Oyster Plug Spawn – 100 Count Plug Spawn

Italian Oyster Plug Spawn – 100 Count

Organic Mushrooms

Finest culinary oyster.

Out Of Stock

Shiitake Plug Spawn – 500 Count Plug Spawn

Shiitake Plug Spawn – 500 Count

Organic Mushrooms

Nutritious and medicinal.

Out Of Stock

Lion's Mane Plug Spawn – 500 Count Plug Spawn

Lion's Mane Plug Spawn – 500 Count

Organic Mushrooms

Unique and versatile.

Out Of Stock

Blue Oyster Plug Spawn – 500 Count Plug Spawn

Blue Oyster Plug Spawn – 500 Count

Organic Mushrooms

Vigorous and reliable.

Out Of Stock

Blue Oyster Sawdust Spawn Sawdust Spawn

Blue Oyster Sawdust Spawn

Organic Mushrooms

Vigorous and reliable.

Out Of Stock

Wool Wax Daubers for Log Inoculation – 4 Count Mushroom Supplies

Wool Wax Daubers for Log Inoculation – 4 Count

Mushroom Supplies

Premium oversized wool applicators.

Out Of Stock

Log Inoculation Drill Bit for Sawdust Spawn – 12 mm Mushroom Supplies

Log Inoculation Drill Bit for Sawdust Spawn – 12 mm

Mushroom Supplies

Designed for drilling sawdust spawn into logs to the correct depth.