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

Skip to main content Skip to footer content

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

25 Products

Sort By:

Italian Oyster Plug Spawn – 100 Count Plug Spawn

Italian Oyster Plug Spawn – 100 Count

Organic Mushrooms

Finest culinary oyster.

Italian Oyster Sawdust Spawn Sawdust Spawn

Italian Oyster Sawdust Spawn

Organic Mushrooms

Finest culinary oyster.

Blue Oyster Plug Spawn – 100 Count Plug Spawn

Blue Oyster Plug Spawn – 100 Count

Organic Mushrooms

Vigorous and reliable.

Shiitake Sawdust Spawn Sawdust Spawn

Shiitake Sawdust Spawn

Organic Mushrooms

Nutritious and medicinal.

Lion's Mane Sawdust Spawn Sawdust Spawn

Lion's Mane Sawdust Spawn

Organic Mushrooms

Unique and versatile.

Lion's Mane Plug Spawn – 100 Count Plug Spawn

Lion's Mane Plug Spawn – 100 Count

Organic Mushrooms

Unique and versatile.

Blue Oyster Sawdust Spawn Sawdust Spawn

Blue Oyster Sawdust Spawn

Organic Mushrooms

Vigorous and reliable.

Shiitake Plug Spawn – 500 Count Plug Spawn

Shiitake Plug Spawn – 500 Count

Organic Mushrooms

Nutritious and medicinal.

Almond Agaricus Sawdust Spawn Sawdust Spawn

Almond Agaricus Sawdust Spawn

Organic Mushrooms

A compost lover.

Blue Oyster Plug Spawn – 500 Count Plug Spawn

Blue Oyster Plug Spawn – 500 Count

Organic Mushrooms

Vigorous and reliable.

Lion's Mane Plug Spawn – 500 Count Plug Spawn

Lion's Mane Plug Spawn – 500 Count

Organic Mushrooms

Unique and versatile.

Italian Oyster Plug Spawn – 500 Count Plug Spawn

Italian Oyster Plug Spawn – 500 Count

Organic Mushrooms

Finest culinary oyster.

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.