Organic Blue Oyster Mushroom Plug Spawn

100 plugs
$19.99
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USDA Certified Organic

USDA Certified Organic

Trusted by 350K+ Growers

Trusted by 350K+ Growers

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Difficulty: Beginner

Blue Oysters (Pleurotus ostreatus) are a fast colonizer with a strong bluish-gray hue. They produce richly umami-flavored mushrooms with a soft, meaty texture that pairs well with most dishes.

As our most productive oyster strain, they are reliable, cold-tolerant, and fruit prolifically in early spring or late fall. Blue oyster mushrooms also work well with the log, stump, and totem methods.

Properties: The Blue Oyster mushroom has a high protein content, several B vitamins, and all the essential amino acids (Marley, 2009). Its medicinal benefits include promoting anti-tumor activity and lowering high cholesterol. Oyster mushroom fruiting bodies and distillations have been shown to reduce tumor size in several studies on mice, rats, and hamsters (Hobbs, 1995). Additionally, Oyster mushrooms have been used in the Czech Republic as the main ingredient in a dietary supplement used to treat high cholesterol (Hobbs, 1995). Studies in animals have shown that a diet of Oyster mushrooms reduced the development of plaque in major arteries (Bobek et al., 1995).

Tools you'll need

To grow on logs using plug spawn, you will need:
• Drill Bit
• Sealing Wax
• Wax Daubers

To calculate how much spawn you will need, click here.

Inoculation

Blue Oyster works well with the Log, Stump, or Totem method. Colonization is fast and may start producing in 4-12 months, though fruiting is dependent on environmental triggers. They fruit best in the spring and fall and prefer softer hardwoods such as poplar and aspen, though they will also work on maple.

Cultivation

Ideal project size: Plug spawn is ideal for smaller projects of 1-10 logs, though some log cultivators will use them for larger projects.

Click here for full instructions

Storing

If you don't plan to use within 3 weeks, you may refrigerate the plug spawn for up to 6 months.

Cooking

Blue Oysters can easily replace button mushrooms in most recipes and pair well with many cuisines and flavors.Like all Oyster mushrooms, they retain water and may develop a viscous texture when undercooked. If you prefer a firm or dryer texture, continue to cook Oysters until their liquid has reduced and cooked off and they begin to brown.

Cautions & Considerations

• If you’re going to consume home-grown mushrooms, make sure to cook your fresh mushrooms thoroughly with heat. If it is your first time eating this species, it is best to start with a small amount to check for allergies, even if cooked.

• Aside from being kiln dried, our wooden dowels are not treated in any other way.

FAQs

Plug Spawn FAQ 

Log Cultivation FAQ

Related Articles

Get the Right Tools
Emboss-o-tag
Emboss-o-tag (+$15.99)

Keep track of your species

Log Inoculation Drill Bit
Log Inoculation Drill Bit (+$21.99)

The perfect size for our plugs

Angle Grinder Adapter
Angle Grinder Adapter (+$54.99)

Allows 4x faster drilling

Log Sealing Wax
Log Sealing Wax (+$3.50)

1/4 lb - enough for 100 plugs

Wax Daubers
Wax Daubers (+$2.99)

4-pack

Frequently Asked Questions

After inoculation, most logs take 6–12 months before producing their first flush of mushrooms. Colonization depends on temperature, moisture, and wood type. Once established, a log can fruit for 3–7 years.

Always use freshly cut, disease-free logs. Old or rotting wood may contain competing fungi or be too dry for successful colonization. Ideally, inoculate within 2–4 weeks of cutting.

Plug spawn (wooden dowels) is easier for beginners and ideal for smaller projects. Sawdust spawn is faster to colonize and more economical for larger batches or commercial growers.

Store logs in a shady, humid area close to the ground. In dry or hot weather, occasional watering or soaking can help maintain moisture. Avoid full sun or windy spots, which can cause bark cracking.

Cluster of brown-capped mushrooms with long, light-colored stems against a white background.

Your Trusted Source for Premium Mushroom Growing Supplies

Whether you’re growing mushrooms at home, in your garden, or at a commercial scale, we offer everything you need to cultivate success. We start with the highest-quality OMRI-listed ingredients, mix them in our state-of-the-art facility, and inoculate them in our custom-built lab, so you can rest easy knowing your product will yield the best results.

Reviews

  • 5 stars: 22 (88%)
  • 4 stars: 2 (8%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (4%)
J
Jason Keene
Love it

Got lots of mushrooms

J
Jason Keene
Good stuff

Love these blue oysters

J
Jason Keene
Great mushrooms

Logs are producing well love it

B
Brian

Plug spawn looked very healthy. Very happy with my choice.

G
Gavin

Amazing care and quality

C
Connie L Brenstuhl
Easy to use

I enjoyed inoculating my logs. This was my first time and the little dowels were perfect and easy to use.

So great to hear you had a positive growing experience, Connie! We so appreciate your feedback.

G
Gregory Lynch
Spore Plugs

Plugs came full of spawn. Great directions. Great for small projects.

We appreciate your review, Greg! Good luck with your grow.

T
Thomas F Luben
Great product

I inoculated alder logs a little over a month ago and, the early growth is amazing! Such an easy project once you have your logs. I had a few extra plugs so I used them on a couple small logs 2" round by 6' long and,those are already covered in mycillum on the ends. I'm having fun with this and, just ordered sawdust spawn to grow in buckets. North spore is where I will get EVERYTHING I need for mushroom growing! Thanks for all you do, the products and, education are top notch

Your review made our day, Thomas! Please reach out if you ever need anything.

S
Scotty Armstrong
Fast and great!

I received my plug spawn super fast and the plugs were already colonizing very nicely. Thanks for the great service and product!

We really appreciate your support, Scotty! If you need help with anything, please reach out.

C
Cara Siera
Great on Arrival

I've ordered from other sources, and the appearance of North Spore's plug spawn exceeds my previous experiences. The plugs were extremely "fuzzy" with active spawn. The instructions were also superior to other sources. The included booklet was professional and I learned a lot (about what I did wrong) on previous attempts at log cultivation.

Hopefully, in six to twelve months, I'll be able to report abundant mushroom growth.

Thanks for sharing, Cara! We appreciate you taking the time to share your experience. If you have any questions along the way, our team is here to help!

J
Joel Fichman
Wait and see

I made a total of eight logs with both the blue oyster and shiitake mushroom wooden dowel plugs. We will have to wait and see how they do over the next few years.

Thanks for sharing, Joel! Our team is here to help if you ever need anything.

M
Michael Marmon
Log inoculation

Easy to use . Gonna take a while for them to grow.

M
Michael Marmon
Log inoculation

Easy to use . Gonna take a while for them to grow.

B
Bretton

Showed up wet and growing

K
Kevin
Great for beginners, very rewarding

Easy peasy. Did a 500ct a few years ago on poplar logs in southern Vermont and have got several flushes. Just ordered a 1000ct bag to expand.

S
Stephanie
Got the Blue oyster and Shiitake plugs

I live in Minnesota and got the blue oyster and Shiitake plugs to try. First time trying to grow mushrooms and Northspore made it so easy. It came in a small box with instructions and tips for successful mushroom growing. I got the wax and daubers too and used a crockpot to melt the wax. The whole process was easy and doable for a beginner. I’m very excited to see the results.

R
Robert Grizzell
Blue Oyster, Shitake and Golden Oyster Plug Spawn

My wife and I are beginners in this adventure. Very excited to receive the Mycelium and watch them develop into delicious mushrooms. Can't wait to get the end product of delicious mushrooms. I hope to attempt some of the more challenging mushrooms in the future!

S
Susan B.
Blue Oyster plugs, Lion's Mane spawn, and Shiitake plugs...

I am just a beginner, but I've ordered a couple of times now and have been very pleased. They have been quick to respond to my questions, were quick with info about shipping, and they delivered on their promises. So far, I've purchased their Blue Oyster plugs, Lion's Mane (sawdust/millet) spawn, and Shiitake plugs, each of which came with clear inoculation instructions. Each of the products, too, were very clean, carefully packed, and exhibited lots of healthy mycelial growth. I will order from them again—thinking about Blewits next! :-)

J
Jonathan Taylor
Blue Oyster plug spawn

You guys always ship fast, and fill the order to the brim. These plugs were absolutley already growing mycelium like gangbusters. I've got a bunch of sweetgum logs sitting in a small copse enjoying a December rain, with your Blue Oyster spawn plugs newly added. Here's to a great future harvest.

D
David
Excited for Springtime!

Although I have just made all eight logs, I am super excited to see the results in the spring! We had enough plugs for all of the logs and a little extra which I was thrilled to find. Can't wait for my little fungi!

R
Robert
Oysters are here

After seeing some wild oysters and freshly cutting some logs, I was quick to place an order. They cam in almost no time and the inoculation was easy.
Looking forward to harvest!

C
Chris Hooper
Great kit

Plugs came in fast and healthy. There was enough plugs to inoculate 3 8' logs. I am just waiting on fruit, but other products I have ordered were very productive.

D
David
A quick plug for Northspore

First, the product is from Maine. Being from Massachusetts, I love a regional product...whether for real, or just a thought, it seems like local cultures should stay local. This is my second attempt with Oysters, but first from Northspore. Fruitful communication has the plugs in a recent Red Maple fall...time will tell. They were quick, asking when I was hoping to plug, great communication, and their from Maine. Say no more.

K
Kyle Lowe
Easy to use

I live in Iowa and after the huge wind storm here I jumped on the chance to get a bunch of large, fresh cut logs. I purchased several types of spawn from North Spore, all arrived quickly and with very active cultures. The plugs were easy to hammer in when using the suggested drill bit size. Covering the plugs required very little wax and I was able to fill a mug and heat it in a pot of warm water. The wax stayed liquid long enough to provide ample time to cover everything. I will update this review when the logs start to fruit but overall, I am very happy with the product.

M
Mike
Happy

I’m happy with my purchase