Lion's Mane Mushroom Grow Kit
This product will be released on 25 November 2026
This mushroom grow kit turns a corner of your kitchen into a small mushroom farm. Inside the printed cardboard box sits a 2 kg substrate block in an inner bag, fully run through with lion's mane mycelium. You cut a small X into the bag, mist it with the spray bottle supplied and watch a white, shaggy fruiting body with hanging spines push out of the box.
The kit suits home cooks, mushroom fans and anyone without a garden who likes watching something grow. An adult should take care of the cutting step with the sharp knife. Expect 2, possibly 3 harvests yielding around 1 kg of fresh mushrooms in total. The kits are prepared 100 % naturally and made in the United Kingdom.
Everything for the start is included: no spores to source, no substrate to mix. The block is already colonised, and the instruction sheet covers the process in five short steps.
- Grow box with a 2 kg substrate block in an inner bag
- Spray bottle for misting the opening
- Instructions in English
- Variety: lion's mane
- Yield: 2, possibly 3 harvests, around 1 kg of fresh mushrooms in total
- Box size: 17 x 15 x 30 cm
- Made in the United Kingdom
Stand the box upright in a coolish spot between 15 and 18 °C, bright but out of direct sunlight, and do not lay it down. Push out the perforated square, then cut a small X of around 5 cm into the inner bag inside the opening with a sharp knife, without cutting deep into the block. Mist the X generously 2 to 4 times a day, wetting only the bag and keeping the cardboard as dry as you can. Then wait: the first harvest comes around three to four weeks after opening.
Further harvests follow roughly three to four weeks apart. The second is about half the size of the first, the third very small. For the second round, take the bag out of the box, stand it on a dish and mist the dish along with the X so the bag stays damp. After the last harvest the box goes into the paper recycling and the contents of the bag make a good fertiliser for the garden. You can also crumble the block into damp wood chips or sawdust outdoors in a shady spot.
Lion's mane likes high humidity. Put the box on a dish and lay a damp, coiled-up tea towel around the base, not underneath it but below the opening, where it releases moisture slowly. Re-dampen it as soon as it dries out. The kit is a living natural product, so start it soon after it arrives. Until then keep it cool and dark, up to 1 month in the fridge, below 15 °C, better below 10 °C, ideally 2 to 4 °C.
When can I pick the first mushrooms? The first harvest comes around three to four weeks after opening, with further harvests roughly three to four weeks apart.
How many mushrooms does the kit produce? Expect 2, possibly 3 harvests with around 1 kg of fresh mushrooms in total.
How often do I need to mist it? Mist the X opening generously 2 to 4 times a day, wetting only the bag and keeping the box dry.
Can I wait before starting the kit? It keeps for up to 1 month in the fridge. For the best yield, start it within a week.
What language are the instructions in? The instruction sheet is in English and covers the process in five steps.
Fungimental is a small mushroom grower from Beaminster in Dorset, in the south-west of England. The brand grows edible mushrooms and puts its know-how into grow kits that let oyster mushrooms, lion's mane and other varieties sprout right in your kitchen: open the box, cut a cross into the bag, mist it every day and harvest fresh mushrooms a few weeks later. The kits are made in England, and after the last harvest the substrate still makes a good fertiliser for the garden.
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