- Organic King Trumpet Mushroom Grow Kit Fruiting Block
Organic King Trumpet Mushroom Grow Kit Fruiting Block
|Grow speed||2 to 3 weeks|
|Shelf life||6 months (refrigerated)|
|Kit dimensions||6in H x 9in W x 6in D|
|Kit weight||5 lbs|
Our king trumpet (Pleurotus eryngii) fruiting block features a strain that produces large flushes of meaty and delicious mushrooms that are earthy, aromatic, and savory. Raw king trumpets, though dense and spongy in texture, lack aroma and flavor. But when cooked, they come to life with a soft crunchy texture and a mild savory umami flavor reminiscent of abalone.
Unlike other oyster varieties, king trumpets can be more difficult because they prefer cooler temperatures and are prone to drying out or stopping their growth if humidity is not maintained in the early stages. Additionally, king trumpets do not reliably produce second flushes, but may if temperature and humidity conditions are well controlled. Therefore, they are recommended for more advanced growers.
Upon receiving your kit:
Remove kit from the shipping box as soon as possible. Then, unfold the top of the bag, making room for air space. It's also important to check and confirm that the filter patch is not obstructed. This will help the organism breathe and continue to thrive until you are ready to grow your fruiting block!
Scroll down for guides on growing, storage, cooking, and more.
For the majority of mushroom species, all that is needed to initiate fruiting (or begin the growth cycle) is a change in environmental conditions -- specifically humidity, light, temperature, and changes to oxygen and CO2 levels.
For best results:
We recommend growing your king trumpet block in a fruiting chamber (like a monotub or martha tent) as a controlled environment will decrease the risk of contamination and increase the chances of success.
Creating optimal conditions:
The environmental parameters for king trumpet mushrooms can be found on this page under "Temp, Humidity & CO2 guide" and on page 11 of our fruiting block instruction booklet.
Preparing your block:
Unfold the top of the bag, making room for air space. It's also important to check and confirm that the filter patch is not obstructed.
How to initiate fruiting:
- Make a small (2-3”) cut at the top of the bag under the top seam and place upright in your fruiting chamber.
- Allow the block to pin within the bag.
- If slow to pin, place the bagged block in the refrigerator for approximately eight hours before returning to the fruiting chamber.
- Once pinning has occurred, cut off the top of the bag, leaving sidewalls approximately 4” taller than the block.
- Return to fruiting chamber until ready to harvest.
King trumpet mushrooms are prone to blotch (dark spots on the fruiting bodies) with excess humidity or direct moisture.
Harvesting your mushrooms:
King trumpet mushrooms are best harvested right before the caps flatten out; good shelf life.
Growing different blocks together:
With some compromise, many different species of mushrooms can be grown together in a fruiting chamber. First, consider the temperature range of the mushrooms you desire to grow, and second, the CO2 sensitivity. Humidity ranges overlap for the majority of species. We encourage you to experiment with many different groupings!
Having issues with unusual growth, stunted growth, or no growth at all? Refer to pages 16-18 in our fruiting block instruction booklet.
Temperature 50-65°F | 10-18°C Humidity (Phase 1: Primordia) 95-100% Humidity (Phase 2: Fruitbody) 85-95% CO2 Sensitivity (Phase 1: Primordia) High CO2, keep in bag CO2 Sensitivity (Phase 2: Fruitbody) <2,000 ppm
- Primordia - The earliest recognizable stage of fruitbody development. Also known as “baby mushrooms” or “mushroom pins.”
- Fruitbody - A fully grown mushroom, the reproductive structure of the organism in which the spores are produced.
- CO2 sensitivity - When CO2 levels are too high, yields will decrease, stems will become long and stringy, caps will be small, and/or growth will halt.
If you don't plan to use immediately, you can refrigerate your block for up to 6 months.
King trumpet mushrooms are one of the meatiest oyster varieties and make a great substitute for meat. However, unlike the thick king oyster mushroom, king trumpets have a shorter stem and a larger cap that fans out when fully grown. They are delicious when marinated and grilled and their mild yet savory flavor lends well to many different recipes. When thinly sliced, they will sear nicely in a pan.
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.
Mushrooms grow spores as they develop. This is a natural means of reproduction. This is when people with allergies or compromised immune systems may want to consider putting fruiting mushroom kits outdoors or in a well-ventilated area. Spores in mushrooms sometimes cause respiratory irritation. In rare cases, spores may also cause irritation for some non-allergic or non-immunocompromised mushroom growers. If you are one of them, it is recommended to reduce the overall spore load by harvesting mushrooms while they are still in their younger growth stages.
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I Adore these mushrooms! I had to do the extra cold shock in the fridge to initiate pinning but got beautiful results
So fun! Yummy! I really enjoyed growing and eating them!
These are some super sized mushrooms. Really enjoying growing them. Hoping they taste as good as they smell!
You can do this.. it’s fun
I attempted the King trumpets and it’s been a little more challenging as they take longer to pin than my oysters did. However once you get them going and keep the humidity right they grow beautifully! I just love mushrooms! Give it a shot you won’t be disappointed
An Exciting Propitious Beginning For Outdoor Morel Season
I Really Enjoyed Growing & Eating these Trumpet Mushrooms : ) !!! They were the Perfect Prelude to Upcoming Late Spring Morel Season in Central Oregon. I'm letting the bag Rest right now, after a Great Flush and Will try a Second propagation in a week or so ... Great Company, Great Product : ) !!!
So far so good
As of right now the mushrooms are all pinned out and looking good. When I fist got the block it was covered on all sides with healthy looking mycelium. After maybe about a week or so the pins began to form and are still looking healthy. My only critique would be that the directions at least to me were slightly confusing when it came to how I was supposed to cut the bag when I had pins. Maybe a picture that demonstrates this a little better would be helpful. Other than that totally satisfied!
Our new bathroom decoration is edible :-)
We were nervous about growing this mushroom as it's supposed to be one of the more difficult ones plus we'd ordered mushroom spores from a different company and they failed. So, we put these mushrooms on a shelf in our bathroom (for humidity) and to our surprise, they grew like crazy. We've had them in several dishes and really enjoyed them. Thanks Nothern Spore!
A gorgeous mushroom and super tasty
Even though I live in a warm area (Georgia)and this mushroom does best in cooler temperatures, it was Nov. so I decided to give it go. The setup is easy, open the top of the bag and put it in a place that is cool and doesn't get much sun. I made sure it was slightly damp (easy enough if you keep a spray bottle near) . It only took about a week to see little bumples (not a scientific term so don't look it up), I just kept watching and yesterday (3 1/2 weeks since I opened the bag) I pulled a beautiful group of mushrooms. Made soup last night and let me tell you, this mushroom is like a cross between a portabello and a button. Meaty, white stems. I love it and I am just continuing to spritz the inside of the bag and look for more. Could not be happier with this mushroom.
No need to be nervous!!!
I had got the lions mane first and it was not a bad grow ! So I jumped in head first with the King Trumpet grow kit! I was nervous about it but I’m glad I did it, there turning out great! And a whole lot of fun doing it. Thank you!!! Daniel Lee