Black Pearl Oyster - Pleurotus ostreatus hybrid

Black Pearl Oyster (Pleurotus ostreatus hybrid) liquid culture syringe, suitable for inoculating grain, hardwood-based substrates, straw, agar, and other media. A great choice for growers looking for a high-performing hybrid with strong yields and excellent texture.

What You Will Receive
Sterile Black Pearl Oyster live liquid culture syringe
Sterile needle for precise inoculation

Ideal Growing Conditions – Black Pearl Oyster
Substrate: Straw, hardwood sawdust, wood chips, supplemented substrates
Colonisation Temperature: 20°C – 24°C
Fruiting Temperature: 15°C – 20°C
Humidity: 85–95%
CO₂ concentration: Low to moderate (requires fresh air exchange for proper cap development)

Black Pearl Oyster combines strong colonisation with reliable fruiting and performs well across multiple substrate types.

About Black Pearl Oyster
Black Pearl Oyster is a hybrid between Pleurotus ostreatus and Pleurotus eryngii, combining the clustering growth of oyster mushrooms with the thicker stems and texture of king oyster. It produces dense, attractive clusters with dark caps and firm structure.

All liquid cultures are:
freshly prepared from tested master cultures
handled under sterile conditions
checked to ensure only clean, viable mycelium is present

We guarantee clean culture; if any issues arise, we will replace it.

What Is Liquid Culture
Liquid Culture (LC) is live mushroom mycelium suspended in a nutrient-rich liquid medium. It allows for faster colonisation and more consistent results compared to spores.

Storage
Room temperature: up to 1 month
Refrigerated: up to 12 months or longer

For best performance, it is recommended to use the culture soon after receiving.

Suitable For
mushroom cultivation
agar work and culture expansion
grain spawn preparation
indoor and outdoor growing setups