How-to Guides

Species Colonizing Temp (°C) Fruiting Temp (°C) Notes Pearl Oyster (Pleurotus ostreatus) 24–27 18–24 Fast grower, very forgiving, excellent beginner variety. Blue Oyster (Pleurotus ostreatus var. columbinus) 20–24 10–18 Prefers cooler fruiting, develops deep blue caps in low temps. Nebro Oyster (Pleurotus nebrodensis) 24–26 15–20 Rare and slow fruiting, high culinary value, prefers cooler fruiting temps. King Oyster (Pleurotus eryngii) 22–25 12–18 Needs lower temps and CO₂ control for thick stems and large caps. Pink Oyster (Pleurotus djamor) 24–30 24–30 Tropical species, fast fruiting, sensitive to cold. Yellow Oyster (Pleurotus... Read more...

How to Use and Fruit Your GROWTUB Oyster Mushroom Kit

1. About your GROWTUB Your GROWTUB mushroom kit is packed with substrate, moisture and mycelium spawn, ready to colonise. The tub is transparent to allow you to observe the mycelium spreading through the tub until it is fully colonized. Each GROWTUB is labelled with the oyster mushroom species, batch number and the date on which it was packed. It takes 10 - 20 days from packing to colonise fully. Keep the GROWTUB in a warm place with at least 60% humidity during colonisation, but avoid direct sunlight. When the GROWTUB... Read more...