Sun Template Mushrooms require specific conditions and careful attention due to their unique genetic makeup. Their slow growth rate, inherited from Penis Envy genetics, demands patience and precision. Below is a comprehensive guide to cultivating them successfully.
Choosing the Right Growing Medium
Sun Template Mushrooms thrive in nutrient-rich substrates that provide the necessary moisture and support for strong mycelium growth. The best options include:
- Manure-based substrates – Horse or cow manure mixed with vermiculite and coir enhances yield and potency.
- Coconut coir and vermiculite – A popular choice due to its high water retention and contamination resistance.
- Brown rice flour (BRF) cakes – Suitable for beginners but less effective for larger yields.
A bulk substrate with proper hydration (field capacity) ensures healthy mycelium development and robust fruiting.
Spore or Liquid Culture Inoculation
Since Sun Template Mushrooms contain Penis Envy genetics, they are best grown using liquid culture (LC) or agar transfers rather than spores alone.
- Liquid culture inoculation speeds up colonization and minimizes contamination risks.
- Agar work helps isolate strong, healthy mycelium, increasing the chances of a successful grow.
- Spore syringes can be used, but they often result in slower growth and less uniform potency.
Proper sterile techniques, such as using a still air box (SAB) or a laminar flow hood, are essential to avoid contamination.
Ideal Temperature and Humidity for Growth
Sun Template Mushrooms require a carefully controlled environment due to their slow-growing nature. The optimal conditions for each stage include:
Colonization (Mycelium Growth)
- Temperature: 75–80°F (24–27°C)
- Humidity: 80% or lower
- Timeframe: 3–5 weeks (longer than standard cubensis strains)
- Air Exchange: Minimal during this stage
Fruiting Stage (Mushroom Development)
- Temperature: 70–75°F (21–24°C)
- Humidity: 90–95%
- Fresh Air Exchange (FAE): 4–6 times per day
- Lighting: Indirect natural light or 6500K LED light for 12 hours/day
Maintaining stable temperatures and humidity is crucial, as fluctuations can lead to stunted growth or contamination.
Growth Cycle and Patience
Sun Template Mushrooms grow slower than standard cubensis strains but produce larger, more potent fruits. Their expected timeline includes:
- Colonization: 3–5 weeks
- Fruiting: 1–2 weeks
- Total Grow Time: 5–8 weeks from inoculation to harvest
Due to their extended colonization period, patience is essential. Rushing the process or introducing fresh air too soon can stall growth or cause contamination.
Maximizing Yield and Potency
To ensure a successful and high-yielding harvest, follow these key strategies:
✅ Optimize substrate hydration – Field capacity should be tested (a gentle squeeze should release a few drops of water, but not drip excessively).
✅ Ensure proper gas exchange – Stagnant air increases the risk of contamination; use a monotub or shotgun fruiting chamber for fresh air exchange.
✅ Use a casing layer – A thin layer of coco coir or vermiculite can help retain moisture and promote even pinning.
✅ Harvest at the right time – Pick mushrooms just before the veil breaks to maximize potency and avoid spores dropping.