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Package contains:
Hint: We use around 250g of grain spawn per 10L bucket of substrate.
Note: Mushroom spawn does not come with instructions.
Chill in the fridge until ready to use. Use within three months for best results.
Scroll down for more growing details.
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So don’t be shy, please get in touch with all your curly questions and we’ll get you growing mushrooms in no time!
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Are you a mushroom grower looking for a regular supply of commercial quantities of high quality grain spawn?
We have bulk rates for commercial customers. Visit our Wholesale page for more information and to apply for an account.
Mycelium is extremely sensitive to temperature changes and transport conditions.
And mushroom grain spawn is alive with mushroom mycelium. That’s why we strongly recommend shipping grain spawn via Express Post.
Dispatch
We ship orders Monday to Thursday. We do not dispatch grain spawn on Fridays to avoid it being in transit over weekends due to its heat sensitve nature. Any orders placed on Thursday after 12pm or Friday will be dispatched the following Monday.
Please note this applies to all orders, including Express Post shipments.
Click & Collect orders
Pick up your order from the Little Acre warehouse in Geebung, on Brisbane’s northside. Pick up is free - simply select ‘Pick up’ at checkout.
Pick up is available Monday to Friday, between 8:00am - 3:30pm.
Tracking information
Once your order has been shipped, you’ll receive an email with your tracking link so you can stay up to date with where your order is at.
Delivery times
Delivery times are tricky to provide these days. You’ll be able to check your unique delivery estimate provided by Australia Post via the tracking link in your email with the subject “Your order has been shipped!”.
Shipping costs
Orders under $45
Standard Shipping via Australia Post - $10.20
Express Shipping via Australia Post - $14.20
Orders $45 and over
Standard Shipping via Australia Post - flat rate $14.20*
Express Shipping via Australia Post - flat rate $18.20*
(*This does not apply to bulk growing supplies.)
Shipping destinations
We ship Australia-wide. We currently do not offer international shipping, sorry team!
Species name: Pleurotus sp. "Shimofuri hiratake" or Black Pearl King
The Black Pearl King Oyster is new in the world of mushroom growing! This strain is a hybrid between a King Oyster and a Peal Oyster, cross-bred in Japan. Its Japanese name, Shimofuri, means 'marbled' and refers to its beautiful speckled caps which almost look like stars in the night sky against the dark pin heads during early growth.
This hybrid displays favourable traits from both parent species, forming dense clusters of King Oyster-like mushrooms with dark caps. Unlike other Oyster varieties, the stems of the Black Pearl King are great to eat (similar to the King Oyster) and are very meaty and juicy and easily pull apart.
Interestingly we have found this hybrid to be spore-less.
Black Pearl Kings can be grown on a variety of substrates including hardwood sawdust, barley straw, and sugarcane mulch.
For highest yields and heaviest clusters grow on supplemented hardwood sawdust or Masters' Mix.
Incubation period: 18 - 21 days (depends on substrate). Average incubation period is 21 days.
Incubation temperature: Room temperature between 21 - 24°C. Do not let the substrate temperature exceed 30°C.
Pinning temperature: 15 - 18°C
Pinning humidity: 90 - 95% relative humidity
Fruiting temperature:
Range: 15 - 21°C
Ideal: 15 - 18°C
Fruiting humidity: 85 - 90% relative humidity
CO2 concentration: 500 - 800 ppm
Important note: these growing guidelines are drawn from our years of experience as commercial mushroom growers. They are a guide only. We encourage experimentation to discover what works best for your individual conditions.
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