Kit de culture de pleurotes noirs biologiques Bloc fructifère

Lot de 1
$29.99

Nos pains de pleurotes certifiés biologiques vous facilitent la culture de vos propres champignons. Conçus par des mycologues et colonisés à la perfection, il ne vous reste plus qu'à créer l'environnement adéquat et à faire fructifier vos champignons.

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USDA Certified Organic

USDA Certified Organic

Trusted by 350K+ Growers

Trusted by 350K+ Growers

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Notre bloc de fructification de pleurotes noires (Pleurotus spp.) utilise une souche qui produit certains des champignons les plus robustes disponibles pour la culture en intérieur. Cette souche hybride donne des champignons succulents et savoureux comme les pleurotes bleues, mais avec la texture dense des pleurotes royales. Les pleurotes noires sont moins délicates que les pleurotes royales et poussent très bien en intérieur. En cas de culture réussie, vous pouvez vous attendre à une récolte abondante de champignons charnus et délicieux. Cependant, elles préfèrent les températures plus fraîches et sont sujettes au dessèchement ou à l'arrêt de leur croissance si l'humidité n'est pas maintenue lorsque les champignons sont encore à leurs premiers stades.

Receiving and Storage

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!

Fruiting blocks should be used within 1 week of receipt. If you don't plan to use immediately, you can refrigerate your block for up to 6 months.

Growing Instructions

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 black king 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 black king mushrooms can be found on this page under "Temp, Humidity & CO2 guide" and on page 10 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:

  • Place the bagged block in the refrigerator for approximately eight hours.
  • Make a small cut (2-3") at the top of the bag under the seam and place upright in your fruiting chamber.
  • Allow the block to pin within the bag.
  • Once pins are about 2” tall, cut off the top of the bag just under the top seam.
  • Return to fruiting chamber until ready to harvest.

Special considerations:

  • Black king mushrooms are slow to pin.
  • If you notice blotch on your black king mushrooms (dark spots on the fruiting bodies) excess humidity or direct moisture is likely the cause.

Harvesting your mushrooms:

Black king 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!

Troubleshooting:

Having issues with unusual growth, stunted growth, or no growth at all? Refer to pages 16-18 in our fruiting block instruction booklet.

Temp, Humidity, & C02 Guide

Temperature 55-70°F  |  13-21°C
Humidity (Phase 1: Primordia)90-95%
Humidity (Phase 2: Fruitbody)80-90%
CO2 Sensitivity (Phase 1: Primordia)<800 ppm
CO2 Sensitivity (Phase 2: Fruitbody)<800 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.

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Frequently Asked Questions

Fruiting block kits are mushroom grow kits, but tend to be larger (5 lbs) and some require a bit more care depending on species. Instead of boxes, they are bagged. We recommend growing them in a fruiting chamber such as a monotub or martha tent set up like our BoomRoom. A controlled environment will produce the best results for the fruiting blocks. And, since these kits are slightly larger, they can produce more mushrooms than our Spray & Grow Kits.

Oyster mushrooms and lion's mane mushroom fruiting block kits are great for beginners because they are reliable producers and require the least amount of effort. Reishi is also great because the mushroom grows in the unopened bag (no special care or fruiting chamber required!)

All kits should grow a minimum of one flush of mushrooms, but with a little patience and skill you can often get a second or third flush depending on the species! After you’ve harvested your first flush of mushrooms, remove any growth from the block and follow these instructions:

⮕ If you have a martha tent or an automated fruiting chamber, leave the humidity and fan running and wait about 2 weeks for new pins to begin forming.

⮕ If you are using a monotub or non-autmated fruiting chamber, open 2x daily and spray blocks generously with water. Try not to expose the blocks for too long to decrease chances of contamination.

⮕ If you don't have a monotub, martha tent, or fruiting chamber cover the block with a humidity tent made from a large plastic grocery bag with LOTS of small, quarter-sized holes. Remove the humidity tent 2x daily and spray blocks generously with water.

Be patient: It's totally normal for it to take longer for mushrooms to appear with each subsequent fruiting. However, if there's no progress after two weeks, it’s a good idea to soak your block.

Soaking your block: Take your block out of the bag and soak in a bowl of cool water. Most species only need to soak for 20 minutes. However, only soak your lion's mane block for 5-10 minutes as these blocks tend to break apart if soaked for too long. After soaking, let the block drain by leaving it cut side down for another 10 minutes or tip it around to let extra water run off. You don't want to leave standing water in your bag, so pat your block dry with a towel before placing it back in the bag.

Note: Shiitake blocks should not be placed back in the bag.

For most species, you should leave the block in the bag for the entire duration of the growing cycle. However, there are some exceptions.

⮕ Shiitake should be removed from the bag before going into the fruiting chamber.

⮕ Nameko should have most of the top of the bag cut off (leaving about 4" of plastic above the block) before going into the fruiting chamber.

Our fruiting block kits are made fromsawdust blocks that have been ammended with substrate supplements.

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

Backed by Our 100% Grow Guarantee

Every kit comes with our 100% Guarantee: You’ll get your first flush of mushrooms, or we’ll make it right. With over 350,000 happy growers, North Spore is trusted by hobbyists, chefs, and mycologists alike.

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