Bitter Oyster – Bioluminescent Strain (Panellus stipticus)
Bitter Oyster (Panellus stipticus) is a rare and visually stunning bioluminescent mushroom species capable of producing a natural green glow in low-light conditions. This special luminescent strain is highly sought after by collectors, educators, hobbyists, and anyone fascinated by the science of glowing fungi.
This strain does glow naturally — no chemicals, no additives — just pure bioluminescent mycelium.
🔥 Why Grow the Bioluminescent Bitter Oyster?
- Produces a natural green glow in darkness
- Rare, highly collectible strain
- Fast-colonising mycelium with strong luminescence
- Perfect for photography, education, displays & novelty grows
🧪 Produced in Our UK Sterile Lab
Each bioluminescent Bitter Oyster culture is prepared in our HEPA-filtered UK laboratory. Cultures are luminescence-tested, strain-verified, and contamination-screened to ensure strong glow intensity and clean, vigorous growth.
🧬 Choose Your Format
1. Liquid Culture (10ml)
A glow-positive liquid inoculant containing bright, active Bitter Oyster mycelium. Ideal for inoculating sterilised grain or wood-based substrates.
2. Agar Culture Plate
A sterile petri dish containing glowing mycelium. Perfect for microscopy, demonstrations, expansion, or maintaining a master culture.
3. Agar Slant
A long-term storage tube grown on angled agar. Excellent for preserving this rare strain with its luminescent properties intact.
4. Bitter Oyster Grow Kit
A fully colonised block designed to showcase bioluminescent mycelium and fruiting bodies. Best viewed in a dark room for full glow effect.
📦 What You’ll Receive
- Your chosen Bitter Oyster culture format
- Glow-positive, sterile culture grown in the UK
- Instructions on how to maximise bioluminescence
- The Mushroom Lab sterility guarantee
💡 Glow Performance Tips
- Mycelium glows more brightly than mature fruiting bodies
- Best viewed in complete darkness after allowing your eyes to adjust
- Higher oxygen levels can intensify luminescence
- Cooler temperatures often increase glow longevity
🛡️ Sterility Guarantee
If your culture arrives contaminated or does not glow, we will replace it free of charge.
🚚 Fast UK Delivery
Orders ship from our UK sterile facility and usually arrive within 1–3 working days.