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Growing your own Oyster mushrooms

Tuesday, January 31, 2017 10:30
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This article is taken from Five Gallon Ideas, which features over 100 uses for 5 gallon buckets with more being added all the time.

The easiest way to grow mushrooms at home is with a five gallon bucket full of coffee grounds, and some Oyster Mushroom spawn. Seeing the success others have had growing large Oyster mushrooms made me eager to try it out for myself. The guide below should help you get started growing Oyster mushrooms.

big oyster mushroom on substrate

Oyster mushrooms can grow quite large and produce a lot of food using little space

How to grow Oyster mushrooms yourself

big bucket with oyster mushrooms growing through holes in the sides

What you’ll need:

-A container to grow the mushrooms in. Our suggestion is of course a five gallon bucket.

-Spent coffee grounds, up to around half the volume of your container. These can almost always be obtained free from a nearby coffee shop. Dry them or keep them in your refrigerator if you won’t use them right away, so it doesn’t go moldy. A herb drying rack can be great for this purpose.

-Mushroom spawn. Oyster mushroom spawn can be purchased online from Amazon or from a mushroom lab near you.

-Plastic wrap (optional but recommended)

-A spray bottle to gently mist your mushrooms with.


-Start off by filling your bucket with the coffee grounds you’ve gathered.

-If the coffee grounds in your bucket are dry, you should add some water to them and let it drain out.

-Take your mushroom spawn and mix it all through the coffee ground. If you’ve filled a large bucket, you might want to drill some holes in the side, to allow air to enter the substrate

– Optional: Cover the bucket with plastic foil, but add some holes to the plastic to keep carbon dioxide from building up. The plastic helps protect them against direct sunlight and keeps the bucket moist. Once the mushrooms start growing, you can remove this plastic.

Growing the mushrooms:

After you’ve followed the instructions, you need to keep the mushrooms moist, so spray them twice a day with water. After a few days, you can see something white begin to emerge that looks like this:

oyster mushrooms mycelium homegrown in a bucket

The white stuff you see is your mushroom spawn springing to life and beginning to colonize the substrate you’ve fed to it. When you see this, it’s a sign that your work is starting to pay off!

After a while, you will begin to see tiny young mushrooms emerge from the bucket:

Tiny young oyster mushrooms

The final result, mature oyster mushroom, will look like this:

Healthy looking Oyster mushrooms

These mushrooms look about ready to end up on your plate! Here you can see the result of our first harvest:

Harvested oyster mushrooms

Using Mushrooms

I never ate mushrooms before I started growing my own – the chewy texture was not for me! Then I discovered that cooking mushrooms for a long time made them taste very similar to bacon, and suddenly I was very interested in growing as many mushrooms myself as possible! How would you like an automatic bacon maker?

Growing mushrooms from spores

You can also grow mushrooms from spores. Spawn is generally preferable over spores however, as spores need an environment that has been carefully sterilized, to avoid contamination. Spawn is less vulnerable.

Mushrooms for medicinal purposes

The Oyster mushroom naturally contains lovastatin. Lovastatin is a naturally occuring statin, substances that are used to prevent the development of cardiovascular disease. Other mushrooms have other beneficial health effects. Daily consumption of white button mushrooms for example, is thought to drastically reduce your risk of breast cancer.

My suggestion is to regularly eat a wide variety of mushrooms. You could also consider taking supplements made from dried mushrooms. One supplement available on the Internet contains a powdered blend of seven different types of medicinal mushrooms.


Watch our new Gardening with 5 Gallon Buckets video for more ideas like this.

The post Growing your own Oyster mushrooms appeared first on Five Gallon Ideas.

For many more ways to use 5 gallon buckets for self sufficiency, visit Five Gallon Ideas. When citing this article, please link to

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