$22.99
Grow gourmet Grospore Elm Oyster mushrooms — also sold as White Elm mushroom — with our lab-tested 10ml (10cc) liquid culture syringe. This is true Hypsizygus ulmarius, known for broad cream-to-tan caps, tender texture and reliable growth. Live mycelium, not spores.
Cultivate Elm Oyster mushrooms with our premium Grospore 10ml (10cc) liquid culture syringe. Known for their broad cream-to-tan caps, tender texture, and mild savory flavor, Elm Oyster mushrooms are an appealing choice for home growers, culinary enthusiasts, and mushroom hobbyists. They are also sold as White Elm mushroom, White Elm Oyster, Elm Oyster Tree mushroom, and shirotamogitake in Japan.
Their attractive growth, versatile culinary uses, and dependable cultivation characteristics make them a rewarding addition to any gourmet mushroom collection.
Elm Oyster is one of the most commonly mislabelled cultures on the market. Despite the name, it is not a Pleurotus at all — this culture is true Hypsizygus ulmarius, not Pleurotus ulmarius (sometimes sold as ElmA) and not Pleurotus ostreatus, which several suppliers list it as by mistake. It is also a different mushroom from Beech / Shimeji (Hypsizygus tessellatus), which shares the genus but not the species.
Our Grospore Elm Oyster / White Elm Liquid Culture Syringe contains vigorous living mycelium, lab-tested and prepared in our ISO-certified cleanroom to support healthy colonization and dependable cultivation performance.
Each 10ml (10cc) syringe offers:
Refrigerate your liquid culture syringe on arrival. Stored at 35–45°F (2–7°C), upright and out of direct light, it stays viable for 4–6 months. Orders ship fast from Oregon in discreet packaging, with tracking on every order and a 30-day return policy on unused items.
Elm Oyster mushrooms offer a balanced combination of attractive appearance, mild flavor, and satisfying texture. Their versatility in the kitchen and rewarding cultivation characteristics make them an excellent variety for both newer growers and experienced mushroom enthusiasts.
Whether you’re expanding your gourmet mushroom collection or looking for a versatile edible variety, Elm Oyster is a dependable and enjoyable choice.
Add a distinctive gourmet mushroom to your cultivation lineup with our Grospore Elm Oyster Mushroom Liquid Culture Syringe. Each 10ml (10cc) syringe contains lab-tested, vigorous living mycelium ready for your next mushroom growing project.
Gourmet and edible cultivation species only. GROmagic does not sell psilocybin or Psilocybe cultures. For cultivation use — not a food, drug or dietary supplement.
marty_doyle –
Was not planning to reorder this one, honestly. My first syringe worked cleanly enough that I figured I just got lucky. Second order performed the same way, so now it is officially in my regular rotation.
marty_doyle –
Was not planning to reorder this one, honestly. My first syringe worked cleanly enough that I figured I just got lucky. Second order performed the same way, so now it is officially in my regular rotation.
Yara L. –
Had a question about whether this was true Hypsizygus or another mislabeled oyster, so I emailed before ordering. Got a clear reply fast, no sales fluff. Ordered after that, and the culture looked clean on arrival.
clay_hollis –
Bought this for my brother. He stored it chilled for weeks and said it still looked strong.
Philip Granger –
Wasn’t planning to reorder this one, honestly. First syringe worked so cleanly and colonized so evenly that I came back for another without much debate. I started doubtful because elm cultures can be hit or miss, but this changed my mind.
Zuri M. –
I was pretty anxious using liquid culture for the first time, so I only ordered one syringe. It stayed clean and straightforward enough that I’m coming back for another before this batch runs out.
finn_baxter –
Instructions clearly covered storage, inoculation amount, and basic sterile handling steps.
finn_baxter –
Instructions clearly covered storage, inoculation amount, and basic sterile handling steps.
Kian O. –
My earlier elm oyster syringe from another seller was a mess, slow and questionable. This one looked cleaner, moved faster in grain, and matched what I actually wanted. Not magic, just finally competent.
Priya Menon –
Used this to start a couple hardwood sawdust blocks after keeping the syringe in the fridge for about six weeks. Still looked healthy and took off once inoculated. That shelf life note turned out to be accurate, which helped since I was not ready to use it the day it arrived.
L.G. –
For a small test run, I used 2cc in one sterilized grain bag before expanding to sawdust blocks. The culture moved evenly, stayed clean, and gave me enough confidence to scale the next batch without changing anything.
Allen Sutter –
For the price, this felt reasonable. I got enough liquid culture to inoculate several jars, and it looked clean and active. If you want a correctly identified edible variety, the cost makes sense.
Allen Sutter –
For the price, this felt reasonable. I got enough liquid culture to inoculate several jars, and it looked clean and active. If you want a correctly identified edible variety, the cost makes sense.
J. Keller –
What sold me here was the species labeling. A lot of sellers blur elm oyster with other lookalikes, so I appreciated getting something clearly identified. I used part of the syringe on agar first and the growth looked clean and even, then moved it to grain with no weird surprises. For anyone picky about genetics and labeling, this one inspired a lot more confidence than the random cultures I’ve tried before.
Lydia, AK –
Opening the box was a relief. Everything was packed neatly, the syringe was protected well, and nothing felt loose or sloppy. Even the cap and needle setup looked secure. It gave me confidence before I started anything.