Speckled Chestnut (Pholiota adiposa)

Speckled Chestnut is a highly sought-after gourmet mushroom prized for its rich, nutty flavour and striking golden-brown caps covered in delicate speckles. 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 Speckled Chestnut?

• Unique, restaurant-quality mushroom with deep umami flavour

• Beautiful golden clusters with decorative speckling

• Vigorous coloniser once established on hardwood substrates

• A rewarding grow for hobbyists seeking something more unusual

• Excellent sautéed, grilled or roasted — a true gourmet experience

🧪 Produced in Our UK Sterile Lab
Every Speckled Chestnut culture is produced in small batches inside our HEPA-filtered facility. Each batch is contamination-tested, strain-verified, and shipped at peak freshness for consistent, reliable results.

🧬 Choose Your Format

1. Liquid Culture (10ml)
Active, fast-growing mycelium suspended in a nutrient-rich broth. Ideal for inoculating sterilised grain before transferring to hardwood substrates. The quickest way to begin growing Speckled Chestnut.

2. Agar Culture Plate
A sterile petri dish containing a clean, vigorous culture. Perfect for expansion, cloning, long-term project work, or building your own culture library.

3. Agar Slant
A long-term storage tube grown on angled agar. Ideal for strain preservation, repeated use, and maintaining genetic stability.

4. Speckled Chestnut Grow Kit
A fully colonised, ready-to-fruit block designed for easy harvesting at home. Simply cut, mist and watch beautiful golden clusters form within days.

📦 What You’ll Receive

• Your chosen Speckled Chestnut 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.