Spawn - Everything Mushroom Ltd https://www.everythingmushroom.co.uk/product-category/spawn/ Fri, 13 Feb 2026 10:47:42 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 Golden Oyster Mushroom Grain Spawn Bag https://www.everythingmushroom.co.uk/product/golden-oyster-mushroom-grain-spawn-bag/ https://www.everythingmushroom.co.uk/product/golden-oyster-mushroom-grain-spawn-bag/#respond Thu, 05 Feb 2026 11:17:03 +0000 https://www.everythingmushroom.co.uk/?post_type=product&p=1168 Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

 

This Golden Oyster (Pleurotus citrinopileatus) Mushroom Spawn Bag is produced by our trusted partners at Martian Mushrooms using a high-yielding G1 master culture strain. It’s specially selected to produce thick, dense and delicious mushrooms with reliable results.

The spawn arrives ready to mix with your chosen substrate, so there’s no need to inoculate or colonise your own grain — you can move straight to growing. This makes it an excellent option for beginners, hobby growers and small-scale commercial cultivators alike.

Thanks to Martian Mushrooms’ carefully selected high-yield genetics, you can expect large harvests of up to 300g+ of mushrooms per kg of substrate under good growing conditions.


🍄 Product Features

🍄 Lab-tested, high-quality living grain spawn for inoculating substrates
🌱 Compatible with a wide range of substrates and growing methods
🧬 Specially selected strains optimised for yield, nutrient density and flavour
🗓️ Fast-growing — harvest mushrooms in as little as 3 weeks
🛡️ Backed by Martian Mushrooms’ guarantee: produces mushrooms or the spawn will be replaced free of charge

This product is supplied by Martian Mushrooms and sold by us as an official retail partner.

 

The post Golden Oyster Mushroom Grain Spawn Bag appeared first on Everything Mushroom Ltd.

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Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

 

THE HASSLE-FREE, READY-TO-SPAWN SOLUTION FOR GROWING GOLDEN OYSTER AT HOME

Golden Oyster mushrooms are known for their vibrant yellow colour and delicate, slightly fruity flavour. Indigenous to eastern Russia, northern China and Japan, they have been cultivated and enjoyed for centuries for both culinary use and traditional wellness practices.

Today, Golden Oyster mushrooms are valued for their distinctive taste and are being studied for their potential nutritional benefits. They naturally contain vitamins and minerals, dietary fibre and protein, and are of interest for their bioactive compounds such as beta-glucans.

Golden Oysters add colour and flavour to a wide range of dishes. They can be sautéed, stir-fried, roasted, or used as an attractive garnish. Whether you’re a professional chef or a home cook, they’re a delicious way to elevate everyday meals.

Growing your own Golden Oyster mushrooms at home has never been easier with this Golden Oyster Mushroom Grain Spawn, produced by our trusted partners at Martian Mushrooms. Designed for beginners and experienced growers alike, this spawn removes much of the guesswork and makes mushroom cultivation simple and enjoyable.

The grain spawn arrives pre-colonised and ready to mix with your chosen substrate — no need for inoculating or waiting for grain to colonise. With the right conditions, you can expect thick, dense clusters of Golden Oyster mushrooms suitable for cooking, drying, or extraction.


THE BENEFITS

🍄 Lab-tested, high-quality living grain spawn for inoculating substrates
🌱 Compatible with a wide range of substrates and growing methods
🧬 Specially selected strains optimised for yield, nutrient density and flavour
🗓️ Harvest mushrooms in as little as 3 weeks
🛡️ Backed by Martian Mushrooms’ guarantee – produces mushrooms or the spawn will be replaced
💷 Save money by growing your own mushrooms at home
🏡 Requires little space and is discreet with minimal odour
🧠 Golden Oyster mushrooms contain bioactive compounds such as beta-glucans


HOW TO USE

The process is simple:

1. Inoculation
Mix the grain spawn with your substrate at roughly a 6:1 ratio, depending on substrate type. Hardwood or Masters Mix (hardwood + soy hulls) is recommended for Golden Oysters.

2. Prepare the Block
Once fully colonised, cut a small “X” or slit in the side of the block.

3. Maintain Humidity
Mist the block two to three times daily or use a humidity tent.

4. Fruiting Environment
Place the block in a fruiting chamber such as a MonoTub or Martha tent for best results.

A step-by-step online growing guide is available to help you through the process and maximise your chances of success.


GROWING CONDITIONS

Substrate: Hardwood or 50/50 hardwood & soy hulls (Masters Mix), hydrated to around 60%

Temperature

  • Colonisation: ~25°C (77°F)

  • Fruiting: 21–27°C (70–80°F)

Humidity: Over 80%

Light

  • Colonisation: Dark

  • Fruiting: Indirect or ambient light

Fresh Air Exchange: Regular airflow is essential

Cleanliness: A clean working area helps reduce contamination


INGREDIENTS

This spawn is produced by Martian Mushrooms using high-quality grain and carefully controlled sterile processes to encourage fast colonisation and reliable performance.


WHAT’S INCLUDED

1.5kg Golden Oyster Mushroom Grain Spawn Bag


STORAGE

Use as soon as possible after delivery. If not using immediately, store in a refrigerator. When refrigerated, spawn should remain viable for up to 3 months.


IMPORTANT DISCLAIMER

This product is manufactured and supplied by Martian Mushrooms and sold by us as an authorised retail partner. All product specifications, performance claims and guarantees are provided by Martian Mushrooms. We do not manufacture this product ourselves.

Any guarantees, including replacement of spawn, are fulfilled by Martian Mushrooms in accordance with their terms.

 

The post Golden Oyster Mushroom Grain Spawn Bag appeared first on Everything Mushroom Ltd.

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Blue Oyster Mushroom Grain Spawn Bag https://www.everythingmushroom.co.uk/product/blue-oyster-mushroom-grain-spawn-bag/ https://www.everythingmushroom.co.uk/product/blue-oyster-mushroom-grain-spawn-bag/#respond Thu, 05 Feb 2026 11:03:49 +0000 https://www.everythingmushroom.co.uk/?post_type=product&p=1167 Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

Our Blue Oyster (Pleurotus ostreatus) Mushroom Spawn Bag is made from a high-yielding G1 master culture strain, specially designed to yield thick, dense and delicious mushrooms with ease. The spawn comes ready to mix with substrate, meaning there’s no need to faff around inoculating and colonising your own grain; you can get straight to the fun part! The ease of use makes it perfect for both hobbyists and small-scale commercial growers.

With our specifically selected high-yielding genetics, you can expect large harvests of up to 300g+ of mushrooms per kg of substrate.

🍄 Lab tested, high-quality living grain spawn, perfect for inoculating substrates

🌱 Compatible with a range of substrates and growing methods

🧬 Specially selected strains optimised for high yield, nutrient density and flavour

🗓️ Harvest mushrooms quickly within 3 weeks

🛡️ Guaranteed to produce mushrooms or we’ll replace your spawn free of charge

The post Blue Oyster Mushroom Grain Spawn Bag appeared first on Everything Mushroom Ltd.

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Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

THE HASSLE-FREE, READY-TO-SPAWN SOLUTION FOR GROWING BLUE OYSTER AT HOME

Blue Oyster mushrooms have been used in Eastern cultures for generations and were historically cultivated in parts of Japan as a staple food. Today, they are valued for their mild, earthy flavour, delicate texture and potential nutritional benefits.

Modern research is exploring Blue Oyster mushrooms for their naturally occurring compounds, including polysaccharides and antioxidants. They are also of interest for their naturally occurring lovastatin content, which is being studied in relation to cholesterol and cardiovascular health.

In the kitchen, Blue Oyster mushrooms are extremely versatile. Their tender, slightly meaty texture makes them ideal for pasta dishes, stir-fries, risottos and soups, and they are a popular alternative to traditional protein sources.

Growing your own Blue Oyster mushrooms at home is simple with this Blue Oyster Mushroom Grain Spawn, produced by our trusted partners at Martian Mushrooms. Suitable for both beginners and experienced growers, this spawn is designed to make cultivation straightforward and reliable.

The grain spawn arrives pre-colonised and ready to mix with your chosen substrate — no inoculation or waiting for grain to colonise. With the right conditions, you can expect thick, dense clusters of Blue Oyster mushrooms, ready to cook, dry or extract.


THE BENEFITS

🍄 Lab-tested, high-quality living grain spawn for inoculating substrates
🌱 Compatible with a wide range of substrates and growing methods
🧬 Specially selected strains optimised for yield, nutrient density and flavour
🗓️ Harvest mushrooms in as little as 3 weeks
🛡️ Backed by Martian Mushrooms’ guarantee – produces mushrooms or the spawn will be replaced
💷 Save money by growing your own mushrooms at home
🏡 Requires little space and is discreet with minimal odour
🧠 Blue Oyster mushrooms contain bioactive compounds such as beta-glucans


HOW TO USE

Inoculation
Mix the grain spawn with your substrate at roughly a 6:1 ratio, depending on substrate type. Hardwood or Masters Mix (hardwood + soy hulls) is recommended.

Side Fruiting
Cut a small “X” or slit in the side of the bag to allow mushrooms to grow from the block. Mist the cut area at least twice daily.

Fruiting Environment
For best results, place the block in a fruiting chamber such as a MonoTub or Martha tent to help maintain ideal humidity and airflow.

A step-by-step online growing guide is available to help support successful results.


GROWING CONDITIONS

Substrate: Hardwood or 50/50 hardwood & soy hulls (Masters Mix), hydrated to ~60%

Temperature

  • Colonisation: ~25°C (77°F)

  • Fruiting: 15–20°C (59–68°F)

Humidity: Over 80%

Light

  • Colonisation: Dark

  • Fruiting: Indirect or ambient light

Fresh Air Exchange: Regular ventilation required

Cleanliness: Maintain a clean environment to reduce contamination


INGREDIENTS

This spawn is produced by Martian Mushrooms using high-quality grain and carefully controlled sterile processes to encourage fast colonisation and consistent performance.


WHAT’S INCLUDED

1.5kg Blue Oyster Mushroom Grain Spawn Bag


STORAGE

Use as soon as possible after delivery. If not using immediately, store in a refrigerator. When refrigerated, spawn should remain viable for up to 3 months.


IMPORTANT DISCLAIMER

This product is manufactured and supplied by Martian Mushrooms and sold by us as an authorised retail partner. All product specifications, performance claims and guarantees are provided by Martian Mushrooms. We do not manufacture this product ourselves. Any guarantees are fulfilled by Martian Mushrooms in accordance with their terms.

 

The post Blue Oyster Mushroom Grain Spawn Bag appeared first on Everything Mushroom Ltd.

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King Oyster Mushroom Grain Spawn Bag (1.5kg) https://www.everythingmushroom.co.uk/product/king-oyster-mushroom-grain-spawn-bag-1-5kg/ https://www.everythingmushroom.co.uk/product/king-oyster-mushroom-grain-spawn-bag-1-5kg/#respond Thu, 05 Feb 2026 11:00:23 +0000 https://www.everythingmushroom.co.uk/?post_type=product&p=1166

Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

Our King Oyster (Pleurotus eryngii) Mushroom Spawn Bag is made from a high-yielding G1 master culture strain, specially designed to yield thick, dense and delicious mushrooms with ease. The spawn comes ready to mix with substrate, meaning there’s no need to faff around inoculating and colonising your own grain; you can get straight to the fun part! The ease of use makes it perfect for both hobbyists and small-scale commercial growers.

With our specifically selected high-yielding genetics, you can expect large harvests of up to 300g+ of mushrooms per kg of substrate.

🍄 Lab tested, high-quality living grain spawn, perfect for inoculating substrates

🌱 Compatible with a range of substrates and growing methods

🧬 Specially selected strains optimised for high yield, nutrient density and flavour

🗓️ Harvest mushrooms quickly within 3 weeks

🛡️ Guaranteed to produce mushrooms or we’ll replace your spawn free of charge

The post King Oyster Mushroom Grain Spawn Bag (1.5kg) appeared first on Everything Mushroom Ltd.

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Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

THE HASSLE-FREE, READY-TO-SPAWN SOLUTION FOR GROWING KING OYSTER AT HOME

King Oyster mushrooms have a rich culinary heritage in Asia and are prized for their thick, meaty texture and deep umami flavour. Originally cultivated in the Mediterranean region before spreading across East Asia, they are now a favourite in cuisines around the world.

King Oyster mushrooms are being studied for naturally occurring compounds such as ergothioneine and beta-glucans, which are associated with antioxidant activity. They also naturally contain fibre, B vitamins and minerals including potassium, calcium, iron and zinc.

Their firm texture makes them ideal for grilling, roasting, or slicing into plant-based “scallops”. King Oysters add depth and richness to a wide range of dishes, from comforting stews to refined gourmet meals.

Growing your own King Oyster mushrooms at home is simple with this King Oyster Mushroom Grain Spawn, produced by our trusted partners at Martian Mushrooms. Suitable for beginners and experienced growers alike, this spawn is designed to make cultivation straightforward and reliable.

The grain spawn arrives pre-colonised and ready to mix with your chosen substrate — no inoculation or waiting for grain to colonise. With the right conditions, you can expect thick, dense clusters of King Oyster mushrooms, ready to cook, dry or extract.


THE BENEFITS

🍄 Lab-tested, high-quality living grain spawn for inoculating substrates
🌱 Compatible with a wide range of substrates and growing methods
🧬 Specially selected strains optimised for yield, nutrient density and flavour
🗓️ Harvest mushrooms in as little as 3 weeks
🛡️ Backed by Martian Mushrooms’ guarantee – produces mushrooms or the spawn will be replaced
💷 Save money by growing your own mushrooms at home
🏡 Requires little space and is discreet with minimal odour
🧠 King Oyster mushrooms contain bioactive compounds such as beta-glucans


HOW TO USE

Inoculation
Mix the grain spawn with your substrate at roughly a 6:1 ratio, depending on substrate type. Hardwood or Masters Mix (hardwood + soy hulls) is recommended.

Top Fruiting
Once fully colonised, cut the top of the bag just below the seal to expose the block to fresh air.

Maintain Humidity
Mist the block two to three times daily or use a humidity tent.

Fruiting Environment
For best results, place the block in a fruiting chamber such as a MonoTub or Martha tent to help maintain ideal humidity and airflow.

A step-by-step online growing guide is available to help support successful results.


GROWING CONDITIONS

Substrate: Hardwood or 50/50 hardwood & soy hulls (Masters Mix), hydrated to ~60%

Temperature

  • Colonisation: ~25°C (77°F)

  • Fruiting: 16–21°C (61–70°F)

Humidity: Over 80%

Light

  • Colonisation: Dark

  • Fruiting: Indirect or ambient light

Fresh Air Exchange: Regular ventilation required

Cleanliness: Maintain a clean environment to reduce contamination


INGREDIENTS

This spawn is produced by Martian Mushrooms using high-quality grain and carefully controlled sterile processes to encourage fast colonisation and consistent performance.


WHAT’S INCLUDED

1.5kg King Oyster Mushroom Grain Spawn Bag


STORAGE

Use as soon as possible after delivery. If not using immediately, store in a refrigerator. When refrigerated, spawn should remain viable for up to 3 months.


IMPORTANT DISCLAIMER

This product is manufactured and supplied by Martian Mushrooms and sold by us as an authorised retail partner. All product specifications, performance claims and guarantees are provided by Martian Mushrooms. We do not manufacture this product ourselves. Any guarantees are fulfilled by Martian Mushrooms in accordance with their terms.

 

The post King Oyster Mushroom Grain Spawn Bag (1.5kg) appeared first on Everything Mushroom Ltd.

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Lion’s Mane Mushroom Grain Spawn Bag (1.5kg) https://www.everythingmushroom.co.uk/product/lions-mane-mushroom-grain-spawn-bag-1-5kg/ https://www.everythingmushroom.co.uk/product/lions-mane-mushroom-grain-spawn-bag-1-5kg/#respond Thu, 05 Feb 2026 10:54:30 +0000 https://www.everythingmushroom.co.uk/?post_type=product&p=1157 Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

Our Lion's Mane (Hericium erinaceus) Mushroom Spawn Bag is made from a high-yielding G1 master culture strain, specially designed to yield thick, dense and delicious mushrooms with ease. The spawn comes ready to mix with substrate, meaning there’s no need to faff around inoculating and colonising your own grain; you can get straight to the fun part! The ease of use makes it perfect for both hobbyists and small-scale commercial growers.

With our specifically selected high-yielding genetics, you can expect large harvests of up to 300g+ of mushrooms per kg of substrate.

🍄 Lab tested, high-quality living grain spawn, perfect for inoculating substrates

🌱 Compatible with a range of substrates and growing methods

🧬 Specially selected strains optimised for high yield, nutrient density and flavour

🗓️ Harvest mushrooms quickly within 3 weeks

🛡️ Guaranteed to produce mushrooms or we’ll replace your spawn free of charge

The post Lion’s Mane Mushroom Grain Spawn Bag (1.5kg) appeared first on Everything Mushroom Ltd.

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Made fresh to order. To guarantee peak quality, your item will be dispatched within 20 Days.

THE HASSLE-FREE, READY-TO-SPAWN SOLUTION FOR GROWING LION’S MANE AT HOME

Lion’s Mane has been cultivated and consumed in Asia for thousands of years and is traditionally associated with cognitive wellbeing and mental clarity. Historical accounts describe its use by Buddhist monks, who valued it for supporting focus during meditation.

Today, Lion’s Mane is widely studied for its potential cognitive-supporting properties. Research has identified naturally occurring compounds such as hericenones and erinacines, which are associated with Nerve Growth Factor (NGF) activity — a molecule involved in the maintenance and development of neurons.

In addition to its potential cognitive benefits, Lion’s Mane is a highly versatile culinary mushroom. It can be cooked fresh, dried, extracted, or brewed as a tea. When cooked, its texture and flavour are often compared to crab or lobster, making it a popular plant-based alternative to seafood.

Growing your own Lion’s Mane mushrooms at home is simple with this Lion’s Mane Mushroom Grain Spawn, produced by our trusted partners at Martian Mushrooms. Suitable for beginners and experienced growers alike, this spawn is designed to make cultivation straightforward and reliable.

The grain spawn arrives pre-colonised and ready to mix with your chosen substrate — no inoculation or waiting for grain to colonise. With the right conditions, you can expect thick, dense clusters of Lion’s Mane mushrooms, ready to cook, dry or extract.


THE BENEFITS

🍄 Lab-tested, high-quality living grain spawn for inoculating substrates
🌱 Compatible with a wide range of substrates and growing methods
🧬 Specially selected strains optimised for yield, nutrient density and flavour
🗓️ Harvest mushrooms in as little as 3 weeks
🛡️ Backed by Martian Mushrooms’ guarantee – produces mushrooms or the spawn will be replaced
💷 Save money by growing your own mushrooms at home
🏡 Requires little space and is discreet with minimal odour
🧠 Lion’s Mane mushrooms contain bioactive compounds such as beta-glucans


HOW TO USE

Inoculation
Mix the grain spawn with your substrate at roughly a 6:1 ratio, depending on substrate type. Hardwood or Masters Mix (hardwood + soy hulls) is recommended.

Top Fruiting
Cut the top of the bag just below the seal to expose the block to fresh air. Mist once or twice daily.

Side Fruiting (Optional)
Alternatively, cut a small “X” in the side of the bag and mist the opening at least twice daily.

Fruiting Environment
For best results, place the block in a fruiting chamber such as a MonoTub or Martha tent to help maintain ideal humidity and airflow.

A step-by-step online growing guide is available to help support successful results.


GROWING CONDITIONS

Substrate: Hardwood or 50/50 hardwood & soy hulls (Masters Mix), hydrated to ~60%

Temperature

  • Colonisation: ~25°C (77°F)

  • Fruiting: 15–25°C (59–72°F)

Humidity: Over 80%

Light

  • Colonisation: Dark

  • Fruiting: Indirect or ambient light

Fresh Air Exchange: Regular ventilation required

Cleanliness: Maintain a clean environment to reduce contamination


INGREDIENTS

This spawn is produced by Martian Mushrooms using high-quality grain and carefully controlled sterile processes to encourage fast colonisation and consistent performance.


WHAT’S INCLUDED

1.5kg Lion’s Mane Mushroom Grain Spawn Bag


STORAGE

Use as soon as possible after delivery. If not using immediately, store in a refrigerator. When refrigerated, spawn should remain viable for up to 3 months.


IMPORTANT DISCLAIMER

This product is manufactured and supplied by Martian Mushrooms and sold by us as an authorised retail partner. All product specifications, performance claims and guarantees are provided by Martian Mushrooms. We do not manufacture this product ourselves. Any guarantees are fulfilled by Martian Mushrooms in accordance with their terms.

The post Lion’s Mane Mushroom Grain Spawn Bag (1.5kg) appeared first on Everything Mushroom Ltd.

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