Pathfinder Oyster (Pleurotus ostreatus – “Mossy Creek Pathfinder”)

Pathfinder Oyster is a vigorous and reliable gourmet oyster strain known for its striking, layered caps and exceptional resilience. Our cultures are produced fresh in our sterile UK lab and delivered in the format that suits your grow: liquid culture, agar plate, agar slant or ready-to-fruit grow kit.

🔥 Why Grow Pathfinder Oyster?

• Extremely fast coloniser with aggressive, clean mycelium

• High-yielding clusters with broad, elegant oyster caps

• Thrives in a wide range of temperatures

• Highly tolerant strain — perfect for beginners

• Deep, savoury flavour ideal for frying, grilling or stir-fries

🧪 Produced in Our UK Sterile Lab
Every Pathfinder Oyster culture is made in small batches inside our HEPA-filtered laboratory. Each batch is contamination-tested, strain-verified, and shipped fresh for maximum vigour and reliability.

🧬 Choose Your Format

1. Liquid Culture (10ml)
Live, vigorous mycelium suspended in a nutrient-rich medium. Perfect for inoculating sterilised grain jars or bags. The fastest way to start growing Pathfinder Oyster.

2. Agar Culture Plate
A sterile petri dish containing a clean, thriving culture. Ideal for expansion, cloning, storage, and scaling up your grow operations.

3. Agar Slant
A long-term storage tube with Pathfinder Oyster mycelium grown on angled agar. Ideal for strain preservation or repeated inoculations.

4. Pathfinder Oyster Grow Kit
A fully colonised grow block ready to fruit at home. Simply cut, mist, and enjoy beautiful flushes of gourmet oysters within days.

📦 What You’ll Receive

• Your chosen Pathfinder Oyster culture format

• A sterile, lab-prepared culture produced in the UK

• Clear instructions for use

• The Mushroom Lab sterility guarantee

🛡️ Sterility Guarantee
If your culture arrives compromised or contaminated, we will replace it free of charge. Your success is our priority.

🚚 Fast UK Delivery
All orders ship from our UK lab and typically arrive within 1–3 working days.