Dreaming of selling gourmet mushrooms but dreading the lab setup? Commercial ready-to-fruit mushroom blocks let small farms, chefs and market growers skip sterilising and inoculating entirely.
Kai Kai Farm on Tamborine Mountain grows every block on-farm. This guide covers what blocks are, which varieties to start with, and how to order.
What Are Commercial Mushroom Blocks?
A commercial mushroom block is a 2.2kg bag of sterilised substrate, fully colonised with mycelium. You cut the bag, add humidity and fresh air, then harvest.
Most blocks produce three to five flushes, and first pins usually appear in four to seven days under good conditions.
Unsure whether a kit, block or DIY substrate suits you? Read our grow kit vs ready-to-fruit block comparison for setup effort, time to harvest and cost per kilo.
Commercial Ready-to-Fruit Mushroom Blocks in Australia: Who Are They For?
Small-Scale Farms
Scale up production runs without the capital cost of a full spawn lab. Order by the block or by the pallet.
Read more: wholesale for farms, chefs and retailers
Restaurants and Chefs
Grow micro batches in-house and harvest to plate in under a week. Chef favourites like Lion’s Mane and Pioppino also have excellent shelf life compared to oysters.
Market Gardeners
Add high-value gourmet mushrooms to your weekly stall without managing a full cultivation facility. A shaded, humid spot and a hand mister are enough to start.
Serious Home Growers
Graduate from basic mushroom grow kits to commercial-grade substrate. These are the same blocks the farm runs on, just in smaller quantities and with grower-to-grower support.
Read more: Are mushroom grow kits worth it? An honest cost breakdown
Best Commercial Ready-to-Fruit Mushroom Blocks to Start With
The collection currently lists 13 blocks in stock, ranging from $24 to $33. Not sure where to start? Use the block finder on the collection page.
Pearl Oyster Block
Pearl Oyster is the benchmark oyster, pinning in as little as four days with a 500-600g first flush. Its mild, versatile flavour suits almost any dish.
Read more: oyster mushroom growing instructions
Pink Oyster Block
Pink Oyster erupts in vivid coral-pink clusters that sell on sight. It thrives in Queensland summer heat, giving growers a seasonal showpiece when cool-weather varieties rest.
Italian Oyster Block
Italian Oyster is the farm’s most heat-tolerant oyster, fruiting up to 27°C. It suits subtropical growers wanting year-round oysters without climate control, with a firmer texture.
Blue Oyster Block
Blue Oyster is the cold-weather workhorse, fruiting at 12-18°C. Its thick, meaty steel-blue caps hold their shape under searing, grilling and braising.
Snow White Oyster Block
Snow White Oyster forms pristine white clusters that lift presentation on any plate. It delivers a 500-600g first flush and keeps five to seven days refrigerated.
Yellow Oyster Block
Yellow Oyster produces bright golden clusters with a mild, nutty flavour. A warm-weather variety, it pairs with Pink Oyster for a striking summer growing rotation.
Black Pearl King Oyster Block
Black Pearl King gives king oyster-style stems that sear like scallops, without the fussy growing. Airflow lets you steer the harvest toward thick stems or wide caps.
Read more: King oyster mushrooms: how to grow, cook and buy them in Australia
Lion’s Mane ‘HULK’ Block
Lion’s Mane HULK is selected for larger, more robust fruiting bodies, giving extra visual impact at market. Expect a 500-600g first flush with a rich, seafood-like flavour.
Lion’s Mane ‘Pom Pom’ Block
Lion’s Mane Pom Pom grows dense, cascading white pompoms that sell on appearance alone. It holds five to seven days in the fridge and suits chefs.
- Read more: Lion’s Mane growing instructions
Pioppino Block
Pioppino offers a richer, nuttier flavour than any oyster, with a firm texture that survives braises and sauces. It fruits best at 10-18°C and benefits from a cold shock.
Read more: Pioppino growing instructions
Reishi Block
Reishi is Australia’s native species, grown for tea rather than the pan, and forms antlers or brackets depending on airflow. An actively fruiting block also acts as a CO₂ generator.
Read more: Reishi growing instructions
Shiitake 3790 Block
Shiitake 3790 arrives fully browned, so the 10-12 week wait is done on the farm. Just remove the bag, cold soak and wait for thick, umami-rich caps.
Turkey Tail Block
Turkey Tail gives you true Trametes versicolor from a clean, traceable culture instead of foraged look-alikes. Thin brackets dry quickly and store for a year or more.
Bulk Mushroom Fruiting Blocks: Pricing and Ordering
Bulk pricing starts at two blocks, reaching up to 50% off at 20 or more. Mix and match varieties to reach the threshold. (browse all blocks)
Single blocks dispatch within a few days. Orders of four or more of one variety are made to order, so allow two to four weeks.
Add the Express Post addon at checkout, matching your block quantity. Shorter transit keeps the living mycelium healthier on arrival, especially in warm weather.
Read more: shipping policy and delivery and pickup info
Why Buy Farm-Fresh Commercial Mushroom Blocks?
Every block is prepared, sterilised and colonised at Kai Kai Farm, never stockpiled. Only blocks passing visual and performance checks ship out.
The team are working growers, not resellers, so troubleshooting advice comes from real production experience with every variety they sell.
Read more: our story and customer reviews
How to Fruit Your Mushroom Blocks
Cut and Prepare the Bag
Oysters and Pioppino need an X-slit on the long side, Lion’s Mane a vertical slit, and Reishi horizontal slits for brackets. Shiitake skips the bag and gets a cold soak.
Set Up Humidity and Airflow
Use a shaded humid spot, grow tent or fruiting chamber at 80-95% humidity. Mist daily and keep fresh air moving.
Harvest and Reflush
Harvest when caps just start turning upward, then soak the block overnight. Expect smaller flushes each time as nutrients are used.
Read more: Mushroom Kit and Instructions FAQ
Mycology Supplies for Serious Growers
Growing your own blocks later? Kai Kai Farm also stocks agar and lab supplies, grow bags, grain and bulk substrate and mycology books.
Pair mushroom growing supplies with blocks so you can fruit commercial runs now while building the skills to cultivate in-house later on.
Read more: PF Tek for beginners: a simple guide to growing mushrooms at home
Best Mushroom Kits Australia: Grow Box Options for Beginners
Not ready for commercial scale? Kai Kai Farm’s grow kits are $38 each with free Australia-wide shipping, or three kits for $99 delivered.
Pearl Oyster Kit
The Pearl Oyster kit is the classic beginner’s choice. Fast-fruiting and tolerant of 10-30°C, it produces large, meaty clusters with a mild umami flavour.
Blue Oyster Kit
The Blue Oyster kit loves cooler weather (10-21°C), making it ideal for autumn and winter. Its striking steel-blue clusters look as good as they taste.
Snow White Oyster Kit
The Snow White Oyster kit is another pre-colonised, beginner-friendly option. Cut the bag, mist daily and enjoy pristine white clusters within 7-14 days.
Lion’s Mane ‘Pom Pom’ Kit
The Lion’s Mane ‘Pom Pom’ kit is the farm’s most-loved kit, with a delicate, seafood-like flavour. It grows at 10-28°C and suits first-time growers.
Read more: Mushroom Kit and Instructions FAQ
Mushroom Grow Box Upgrade: Tabletop Mushroom Farms
For a bigger grow box, try the Fine Dine Fungi, Mind & Mycelium or Oyster Oasis tabletop farms, each priced at $160.
Fine Dine Fungi
Fine Dine Fungi packs four chef-prized blocks, including Pioppino, Black Pearl King and Shiitake. All four fruit at 14-20°C, making it ideal for autumn and winter cooking.
Mind & Mycelium
Mind & Mycelium combines two Lion’s Mane strains with Reishi and Shiitake. Growing Pom Pom and HULK side by side shows how genetics change harvests.
Oyster Oasis
Oyster Oasis delivers four seasonal oyster blocks, with a Summer Pack (Sep-Apr) and a Winter Pack (May-Aug). It is an easy first step into varied oysters.
Every tabletop farm includes a mister bottle, detailed instructions, a book of your choice and free Australia-wide shipping, with Western Australia excluded for biosecurity reasons.
Read more: all tabletop farms
Order Commercial Mushroom Blocks Australia-Wide
Ready to start your mushroom farm? Browse commercial ready-to-fruit mushroom blocks, pick your varieties and email [email protected] for large or ongoing orders.
FAQs
What is the most profitable mushroom to sell?
Premium varieties like Lion’s Mane, Pioppino, Shiitake and Black Pearl King typically fetch higher prices from chefs than standard oysters.
Oysters still win on volume and speed. Profit depends on your local buyers, so test a mix before scaling up.
Can you reuse mushroom fruiting blocks?
Yes, within limits. Soak the block overnight after each harvest to rehydrate it, and expect a second flush within roughly one to three weeks.
Most blocks yield three to five flushes. Once spent, break the block up and dig it into garden beds as a soil amendment.
Which mushroom growing kit is the best?
For beginners, Pearl Oyster is the classic starter, while Lion’s Mane ‘Pom Pom’ is the farm’s most-loved kit. Both cost $38 with free shipping.
Match the kit to your room temperature: Blue Oyster suits cooler weather, while Yellow Oyster thrives in warmer Queensland conditions.
Are mushroom kits worth the money?
For most home growers, yes. A $38 kit delivers a fresh harvest in 7-14 days, and usually two to three flushes.
Free shipping and a free mister are included. If you plan to sell, commercial blocks and bulk pricing are the better fit.
