Made fresh to order. To guarantee peak quality, your item will be dispatched within 30 Days.

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

King Oyster mushrooms (Pleurotus eryngii) have a rich culinary tradition in Asia, where they are valued for their satisfying, meaty texture and adaptability in classic dishes. Originally cultivated around the Mediterranean before spreading across East Asia, these mushrooms are now enjoyed worldwide for both flavour and versatility.

King Oyster mushrooms are well known for their deep, umami taste and are being studied for naturally occurring compounds such as ergothioneine and beta-glucans, which may have antioxidant properties. They also naturally contain fibre, B vitamins, and minerals including potassium, calcium, iron, and zinc.

Their versatility makes them ideal for grilling, roasting, or slicing into meaty “scallops” for plant-based dishes. The satisfying texture and flavour of King Oyster mushrooms add depth to many kinds of meals, from hearty stews to gourmet plates.

Growing your own King Oyster mushrooms at home is simple with this King Oyster Mushroom Fruiting Block Kit, produced by our trusted partners at Martian Mushrooms. Designed for beginners and experienced growers alike, this kit removes complexity and makes mushroom growing easy and rewarding.

Each kit contains a pre-colonised, ready-to-fruit block — no inoculation, grain prep, or colonisation waiting required. With the right conditions, you can grow dense clusters of delicious King Oyster mushrooms ready to cook, dry, or preserve.

THE BENEFITS

🍄 Beginner-friendly — no prior experience required
🌱 Ready-to-fruit block for fast and easy growing
⚖️ Harvest up to 1kg of fresh King Oyster mushrooms from a single block (under good conditions)
🛡️ Backed by Martian Mushrooms’ guarantee – produces mushrooms or the kit 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

Prepare the Block
Cut the top off the bag just below the seal, opening it up to the air.

Maintain Humidity
Mist the block and surrounding area 2–3 times daily or use a humidity tent.

Optional Fruiting Chamber
For best results, place the block in a MonoTub or Martha tent to help maintain ideal humidity and airflow.

Harvest
After around 10–14 days, mushrooms should reach maturity. Gently twist at the base to harvest.

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

GROWING CONDITIONS

Temperature
Fruiting: 16–21°C (61–70°F)

Humidity
Over 80%

Light
Indirect or ambient light

Fresh Air Exchange
Regular fresh air required

Cleanliness
Maintain a clean environment to reduce contamination

INGREDIENTS

This fruiting block is produced by Martian Mushrooms using high-quality grain and supplemented hardwood-based substrate, prepared under carefully controlled sterile conditions to encourage reliable fruiting and consistent performance.

WHAT’S INCLUDED

3kg King Oyster Fruiting Block
Ultra-Fine Mister (optional, depending on selection)
Humidity Tent (optional, depending on selection)

STORAGE

Use as soon as possible after delivery. If not using immediately, store in a refrigerator. When refrigerated, the kit 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.

Products are sold for cultivation and educational purposes only. Any information provided is for general informational use and is not intended as medical advice or to diagnose, treat, cure, or prevent any disease. Statements relating to potential benefits have not been evaluated by the MHRA. Results may vary depending on growing conditions and user technique.

ed this way, your kit should last at least 3 months.