Name: Sterile Rye Berries Grain Spawn
Brand: Mycelium Enterprises
SKU: MY-2078-3-8Pk
Price: 24.99 USD
Availability: OutOfStock

Product details & instructions

Why You'll Love It

Industry-Preferred Grain Spawn
Rye berries have long been the go-to grain for mushroom cultivators due to their ideal size, structure, and ability to retain moisture while promoting even colonization.

Nutrient-Dense & Long-Lasting
Rich in slow-release carbohydrates, protein, and essential minerals, rye berries support robust mycelial growth and extended fruiting potential.

Sterile & User-Friendly
Fully sterilized and fitted with a self-healing injection port, these bags are simple to inoculate and great for both beginners and experienced growers.

Contamination-Resistant Design
The 0.2-micron filter patch ensures proper gas exchange while shielding the substrate from airborne contaminants, creating optimal growth conditions.

Sized for Any Setup
Choose between 3 lb and 5 lb options to suit your specific grow—whether it’s a small personal project or a scaled-up cultivation run.

Instructions

- Creating Grain Spawn -View Here 

- Step-By-Step Video Instructions - View Here

Safety Information

To ensure the substrate remains uncontaminated, use clean, sterile tools and environments during handling. 

Follow detailed cultivation instructions specific to the mushroom species you are growing for optimal results.

Product FAQs

Q: Is this sterile rye berries grain safe for mushroom cultivation?
A: Yes, our sterile rye berries grain is certified organic and non-GMO, free from synthetic pesticides and chemicals, providing a safe, natural environment for your mushrooms.

Q: What are the benefits of using Mycelium Sterile Rye Berries Grain for mushroom cultivation?
A: Rye berries offer the ideal balance of density and digestibility, making them perfect for mushroom cultivation and supporting healthy, efficient growth across various mushroom types.

Q: How does Mycelium support sustainability and the environment?
A: At Mycelium, we prioritize sustainability by using eco-friendly farming methods, supporting local agriculture, and promoting habitat preservation. Our natural, non-GMO products contribute to a healthier ecosystem and biodiversity.

Fungi our formula was made for

A curated lineup of premium species that thrive on this hardwood substrate blend

Lion's Mane

Known for boosting focus and mental clarity, Lion’s Mane also brings rich flavor and a tender, seafood-like texture to dishes. It’s a high-performing strain that grows quickly with reliable yields.

SHOP LION'S MANE

Shiitake

Shiitake mushrooms offer a bold, savory flavor and buttery, umami-rich texture—plus natural immune support. This reliable strain produces generous flushes, perfect for beginners.

Shop shiitake

Reishi Varieties

Reishi mushrooms are valued for their immune-supporting compounds and glossy, antler-like or fan-shaped growth—popular for at-home wellness routines and easy indoor growth.

Shop reishi

Oyster Varieties

Known for their vibrant colors and quick growth, oyster mushrooms offer a delicate, savory taste and are ideal for both gourmet dishes and beginner-friendly grows.

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Maitake

Maitake mushrooms form large, frond-like clusters with deep, savory flavor. Rich in immune-supporting and antioxidant compounds, they’re ideal for cooking, drying, or extracts.

COMING SOON

Golden Enoki

Golden Enoki mushrooms are delicate with long stems and small caps, offering a mild, slightly fruity flavor. Ideal for soups and garnishes, they grow best in cool, humid conditions.

COMING SOON