The Leucistic JMF (Jedi Mind Fuck) XL Magic Mushroom Grow Bag contains a fully colonized substrate with Psilocybe cubensis Leucistic JMF mycelium. This striking variety is distinguished by its light to nearly white fruiting bodies and characteristic cubensis growth form. Because the substrate is already fully colonized, several preparatory steps of the cultivation process have already been completed.
Leucistic JMF is a light-colored variant associated with the well-known Jedi Mind Fuck (JMF). The term leucistic refers to reduced pigment formation. This gives the mushrooms their characteristic pale appearance, without necessarily being fully albino.
Due to the combination of its unique color and recognizable growth form, Leucistic JMF is particularly interesting for growers who value striking mycological features alongside the cultivation process.
The Leucistic JMF XL Magic Mushroom Grow Bag contains 2200 ml of fully colonized substrate. This means you don’t have to inoculate with spores or sterilize and prepare the substrate yourself. The grow bag can be prepared for the fruiting phase according to the included instructions.
Under suitable conditions, the total yield according to product specifications can reach approximately 700 g of fresh mushrooms. The actual yield varies per grow and is influenced by factors such as temperature, hygiene, air exchange, and general care.
Keep conditions as constant as possible during development and give the mycelium enough time to form the first mushroom pins.
Leucistic JMF belongs to the psilocybin-containing Psilocybe cubensis varieties. The psilocybin experience can vary greatly per person and is influenced by the amount used, individual sensitivity, mindset, and environment.
The amount of active compounds in natural mushrooms can vary per harvest and even per individual fruiting body. Therefore, a specific strength or experience cannot be guaranteed.
Leucistic JMF is associated with the Jedi Mind Fuck (JMF) lineage within Psilocybe cubensis. The exact genetic history of commercial cubensis varieties is not always fully documented. The leucistic version is primarily distinguished by the significantly reduced pigmentation of the fruiting bodies.
In leucistic mushrooms, the production or distribution of pigment is reduced. This can result in stems and caps being much lighter than a standard JMF. This should not be automatically confused with albinism: in a true albino, pigmentation is absent through a different genetic mechanism.
The pale to cream-colored fruiting bodies give Leucistic JMF a striking appearance and make the variety interesting for enthusiasts of unique cubensis phenotypes.
Make sure your work area is clean to prevent other microorganisms from contaminating your grow kit. Working hygienically is important throughout the entire cultivation process.
Always use clean tap water or mineral water when required by the instructions. Do not use distilled or demineralized water.
Download the PDF instructions here: MysticFungi Instructions
Carefully check the grow bag before you start cultivation.
Is the grow bag contaminated or damaged?
If so, contact customer service before starting the grow.
A clean working method helps limit the risk of contamination during the cultivation process.
Important: only open the grow bag when the first mushroom pins (pins) are visible.
Leave the grow bag alone as much as possible during this phase. When the first pins appear can vary per grow.
Once the first pins are visible:
A small slit may be visible under the air filter of the grow bag. This opening was made by the manufacturer to release excess CO₂ and built-up pressure when the grow bag bulges. This is normal and not a defect. The opening does not need to be taped shut.
For the best results, start the cultivation as soon as possible after receipt. Postponing the grow can affect the condition and ultimate performance of the mycelium.
If you cannot start immediately, the grow kit can be stored for a maximum of about two weeks in the refrigerator at 2°C to 8°C. Leave the grow bag with mycelium in its original packaging and place it in a clean refrigerator without visible mold.
For extra protection, the packaging can be placed in a clean plastic bag or an additional grow bag. Do not leave the kit outside the recommended storage conditions for unnecessarily long periods.
Valid from September 21 to 30, 2026
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