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

Skip to main content Skip to footer content

Free Standard Shipping for Orders Over $200*

0

View Cart

We offer three options for growing mushrooms: ‘Spray & Grow’ kits for the home gardener, sawdust spawn for production in garden beds, logs, and containers, and plug spawn for production in logs. Choose from a variety of strains, all certified organic and satisfaction guaranteed.

Satisfaction Guarantee

29 Products

Wine Cap Sawdust Spawn Sawdust Spawn

Wine Cap Sawdust Spawn

Organic Mushrooms

A garden bed favorite.

Shiitake Plug Spawn – 100 Count Plug Spawn

Shiitake Plug Spawn – 100 Count

Organic Mushrooms

Nutritious and medicinal.

Plug Spawn Tools for Logs Mushroom Supplies

Plug Spawn Tools for Logs

Mushroom Supplies

Everything but the plug spawn.

Log Inoculation Drill Bit for Plug Spawn – 8.5 mm Mushroom Supplies

Log Inoculation Drill Bit for Plug Spawn – 8.5 mm

Mushroom Supplies

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

Italian Oyster Plug Spawn – 100 Count Plug Spawn

Italian Oyster Plug Spawn – 100 Count

Organic Mushrooms

Finest culinary oyster.

Sawdust Spawn Tools for Logs Mushroom Supplies

Sawdust Spawn Tools for Logs

Mushroom Supplies

Everything but the sawdust spawn.

Lion's Mane Sawdust Spawn Sawdust Spawn

Lion's Mane Sawdust Spawn

Organic Mushrooms

Unique and versatile.

Blue Oyster Plug Spawn – 500 Count Plug Spawn

Blue Oyster Plug Spawn – 500 Count

Organic Mushrooms

Vigorous and reliable.

Shiitake Sawdust Spawn Sawdust Spawn

Shiitake Sawdust Spawn

Organic Mushrooms

Nutritious and medicinal.

Angle Grinder Adapter for Log Drill Bits – Standard Mushroom Supplies

Angle Grinder Adapter for Log Drill Bits – Standard

Mushroom Supplies

Accelerate the log inoculation process.

Blue Oyster Sawdust Spawn Sawdust Spawn

Blue Oyster Sawdust Spawn

Organic Mushrooms

Vigorous and reliable.

Lion's Mane Plug Spawn – 100 Count Plug Spawn

Lion's Mane Plug Spawn – 100 Count

Organic Mushrooms

Unique and versatile.