Chocolate Oyster Grain Spawn | Millet Grain Spawn

Premium Chocolate Oyster Grain Spawn (Millet)

Pleurotus ostreatus

Grow your own Chocolate Oyster mushrooms with premium millet grain spawn from Melbourne Mushroom Emporium.

Chocolate Oyster is a striking oyster mushroom variety known for its rich brown caps, delicate flavour and versatile culinary uses. This vigorous grain spawn is produced on millet and is suitable for home growers, hobby cultivators and commercial mushroom production.

Millet provides well-distributed inoculation points throughout your substrate, helping establish healthy, even colonisation.

Growing Parameters

• Common Name: Chocolate Oyster

• Species: Pleurotus ostreatus

• Spawn Type: Millet grain spawn

• Incubation Temperature: 24–27°C

• Fruiting Temperature: 15–24°C

• Humidity: 85%+

• Fresh Air Exchange: Good ventilation required during fruiting

• Fruiting Method: Side fruiting

Recommended Substrates

Chocolate Oyster grain spawn can be used to inoculate a range of suitable lignocellulose-based substrates, including:

• Master's Mix

• Supplemented hardwood sawdust

• Hardwood sawdust and bran

• Pasteurised straw

• Sugarcane mulch and other suitable agricultural by-products

Use a properly prepared substrate appropriate to your chosen cultivation method.

Storage

Keep refrigerated at 2–4°C if not using immediately. Do not freeze. For best results, use fresh spawn and avoid prolonged storage.

Difficulty: Easy

Oyster mushrooms are generally fast-growing and beginner-friendly, making Chocolate Oyster a good choice for growers developing their cultivation skills or expanding an existing mushroom operation.

Freshly Produced

Our grain spawn is prepared in small batches at Melbourne Mushroom Emporium for mushroom growers seeking reliable cultivation supplies.

Please note: This is grain spawn for mushroom cultivation, not a ready-to-fruit mushroom block.