Growing Pearl Oyster Mushrooms in bags

| Mushroom Cultivation, Mushrooms | 18 comments | Author :

Behold, for we have home-grown pearl oyster mushrooms, and you can too. The process of growing them from scratch is not that tricky once you know how, and results in a luscious harvest of fresh oyster mushrooms.

First of all, you need good spawn. For this session we used a block of grain spawn that he’d grown at home, but you can buy a block of spawn if you’re not quite up to speed on that step. Here’s what to do next:

Will empties a bag of grain spawn into a tub of freshly sterilized straw
Fully colonized grain spawn on straw, ready to mix
Mixing it all in with freshly washed hands
Students start filling the bags

Hooray! Bag ‘o’ mushrooms
Finished mushroom bag, languishing amongst other student resources

So there you have it. Add grain spawn to freshly sterilized straw (which you can make by this method) which is a bit damp, mix it well and bag it up. The last step is to ensure that a little, but not too much air can get into the bag while the mycelium colonises the substrate.

For these bags we used the off-the-shelf bag necks that you can get from mushroom suppliers, but you could cut down plastic bottle necks to do the same job. A piece of foam ensures that spores of other fungi + molds can’t get in, while allowing a very small amount of air in.

Bag neck with foam inserted to prevent contamination while the straw gets its oysters on.
Mycelium starting to ‘run’ and colonise the straw… it doesn’t take long at this time of year
Two weeks after packing the bags, the oyster mushrooms are bursting out the sides! This bag got a hole in it somewhere along the line, and the mushrooms made the most of it.
2 weeks after bagging, with the bags fully colonized by the mycelium, we remove the foam, wait a day or two, and out come the mushrooms out the neck hole… yum yum.

Fruiting mushrooms are a quiet cacophony. That’s the best way I have to describe it… it’s this wonderful event, worthy of trumpets. But it’s silent. And at the end you get to eat them!

There’s no way we could afford these mushrooms from the shops, nor is there any chance that in Mudgee we could source fresh organic ones anyway. But with a bit of know-how and good teachers, we’re working up to skills that we can pass on far and wide, and which will give us a lifetime supply…

If you’d like to learn comprehensive mushroom cultivation, we run awesome Mushroom Cultivation Courses in Sydney and beyond…

>> More Mushroom Cutivation resources, books and how-tos

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Comments

20 responses to “Growing Pearl Oyster Mushrooms in bags

  1. Is it hard to grow more specialised mushrooms at home? I have been searching the net and ended up scared off by the sterilisation and the specialised equipment needed to do it. As a vegan, mushrooms are part of my “meat” quotient and vegan bacon starts with oyster mushrooms :). Cheers for a wonderful post about one of my favourite foods 🙂

    1. Hi narf77 – after doing one of Will’s courses I now have Shiitaki, Reishi, Abalone/Giant/Pink/White oyster mushrooms plus some Tiger and a few others that I got directly from Will or from his website. A lot of fun and my wife and I have just finished a gorgeous meal of Shiitaki, Pink and Giant oyster mushrooms stir fried with some leek and italian red onion fresh from the garden. The sterilisation side scared me off originally but Will put it all into perspective, I have lost a couple of bags due to mold whereas other runs (such as Shiitaki and Reishi) ended up eating all the mold and producing great mushies. I ended up just doing 20% more bags than I needed and assume a few will be lost… easy. Have fun and enjoy some great food 🙂

    1. Hi Jenny. A quick note to say that it is much safer to buy your spawn/kits from within Australia as you need to pass some very stringent controls to import them, not an easy process. Will, the teacher above, has a website at fungiforest.com.au where you can get the spawn and read up on more details. As he is travelling at the moment he may not be selling ill early December but still has a lot of excellent information available.

  2. I live in Laidley Qld. and I find all of these articles involving mushroom growing very interesting.
    I would like to know if there’s any online coarse available?

    Regards
    Glenn

  3. I am from Indonesia, here just white oyster mushroom cultivated. I want to have colorful oyster mushroom. Do you have the seed of pink, yellow, blue, and brown oyster? How much is the price?

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