Penis Envy – Magic Mushroom Ready-to-Grow Bag XL

Penis Envy Magic Mushroom Ready-to-Grow Bag XL | Dense Fruits & Advanced Performance

The Penis Envy Magic Mushroom Ready-to-Grow Bag XL is a professionally prepared cultivation system containing fully colonized Psilocybe cubensis substrate. The entire inoculation and incubation process has been completed under controlled conditions, allowing the bag to start growing immediately once placed in a stable indoor environment.

Prefer to compare formats? This strain is also available as Penis Envy Grow Kit and Penis Envy Liquid Culture Syringe. Read more in the Penis Envy strain guide, or browse all Ready-to-Grow Bags. New to this format? Our guide on how to dry, store and preserve magic mushrooms covers what happens after harvest.

Penis Envy is one of the most well-known advanced Psilocybe cubensis strains, recognized for its dense, compact fruiting bodies and slower, more demanding growth cycle.

Grow Difficulty: Advanced – Slow and Sensitive Strain

Penis Envy is considered an advanced strain due to its slow colonization and increased sensitivity to environmental conditions.

Compared to beginner-friendly strains such as Golden Teacher or B+, Penis Envy develops more slowly and benefits from precise control of humidity, temperature, and fresh airflow.

Ideal for:

• Experienced growers
• Users seeking dense and unique mushrooms
• Growers with well-controlled environments

Growth Characteristics – Slow, Thick & Compact

Penis Envy stands out because of its distinctive growth characteristics:

• Slow colonization compared to most Psilocybe cubensis strains
• Thick, dense, and compact fruiting bodies
• Less frequent but heavier flushes
• Unique morphology compared to standard cubensis strains

It grows more slowly and requires greater consistency than beginner-friendly strains.

Yield Performance Compared to Other Strains

Penis Envy typically produces moderate yields with heavier individual mushrooms.

Compared to other strains:

• Slower than Thai and Cambodian
• Less frequent flushes than Golden Teacher
• Denser fruiting bodies than McKennaii
• More sensitive to environmental changes than Amazonian

This makes it a quality-focused strain rather than a quantity-focused one.

Fully Colonized Substrate – No Preparation Needed

Each Ready-to-Grow Bag contains nutrient-rich substrate that has already been fully colonized with healthy Psilocybe cubensis mycelium.

This means:

• No inoculation required
• No sterilization needed
• Reduced contamination risk

You can start growing immediately.

Expected Flushes & Growing Cycle

Under stable indoor conditions (20–24°C), the Penis Envy Magic Mushroom Ready-to-Grow Bag XL typically produces 2 to 4 flushes.

Optimal performance depends on:

• Very stable temperature
• Precise humidity control
• Clean handling
• Proper rehydration between flushes

Because of its slower growth cycle, flushes take longer to develop but often produce dense, compact mushrooms.

Why Choose the Penis Envy Ready-to-Grow Bag?

• Fully colonized Psilocybe cubensis substrate
• Ready to grow immediately
• Dense and compact mushrooms
• Designed for advanced growers
• Unique growth characteristics
• Excellent genetics with high-quality fruiting bodies

The Penis Envy Magic Mushroom Ready-to-Grow Bag XL is designed for growers seeking a challenging yet rewarding cultivation experience, producing distinctive, dense mushrooms through a slower and carefully controlled growing cycle.

Helpful guides & tools

A few tools to help you get the most out of this product.

• Strain Library
• Grow Guide
• Dosage Calculator
• Product Advisor
• Troubleshooting Center

Product specifications

• Strength: Very Strong

Practical notes

An elastic band is fitted around the bag to help prevent side pin growth. We recommend leaving the elastic band in place throughout the growing process.

One corner at the top of the bag has been cut off to support proper air circulation. After each air exchange, close this opening with the supplied sticker.

Follow the ready-to-grow bag method rather than instructions written for tray-style kits.

New to Ready-to-Grow Bags? Read our complete Ready-to-Grow Bag guide for step-by-step instructions on setup, air exchange, harvesting and additional flushes.