Mushroom Plug Spawn – Monster Blue Oyster (Pleurotus ostreatus) 100 plugs approx

$19.95

2 in stock (can be backordered)

SKU: PLUGSPOBLUE100 Category:

Description

Blue Oyster Spawn Plugs Cultivation Guide

Blue Oysters (Pleurotus ostreatus) are one of the most visually stunning gourmet varieties available. They produce heavy, dense, overlapping clusters of deep blue-grey caps on thick, tender white stems. They feature a remarkably rich, savoury, and woody umami flavour with a dense, meaty texture that holds up beautifully to high-heat cooking.

Because Blue Oysters are exceptionally vigorous Pleurotus wood-rotters, they are incredibly fast and aggressive colonisers. They tear through logs rapidly, often giving you a first harvest in just 6–10 months instead of over a year! Once established, a single log will fruit seasonally for 3–5 years.

Blue Oysters are cold-weather champions. While the mycelium grows quickly during warm incubation periods, they require a fresh autumn, winter, or early spring temperature drop down to 10–16°C paired with high moisture to trigger their intense blue coloration.

(Out of stock? Please allow 2–4 weeks for shipping.)

🛠️ Quick Gear Checklist

  • Fresh Hardwood Logs: Soft hardwoods like poplar, willow, alder, and birch allow for lightning-fast colonisation. Traditional dense hardwoods like oak or maple take a bit longer to fully colonise but will yield heavier flushes over a longer lifespan. Logs should be 10–20 cm in diameter and ~1 meter long.

  • Blue Oyster Spawn Plugs: Wooden dowels fully colonised with highly aggressive Blue Oyster mycelium.

  • Drill & Bit: Sized to match the plug diameter for a tight, snug fit.

  • Waxing Kit: Food-grade wax, an old pot, and a paintbrush.

🪵 Step-by-Step Process

1. Age the Wood (2–3 Weeks)

  • Let your freshly cut logs rest off the ground in a shady spot for 2–3 weeks. This allows the tree’s initial natural anti-fungal defences to drop so the mushroom mycelium can safely move in. Keep the logs moist during this resting phase by hosing them down.

2. Inoculate & Seal

  • Drill: Drill holes in a staggered diamond pattern all over the log, spacing them 5–10 cm apart, to a depth of 1.5 times the plug length. Plan for roughly 50 plugs per meter-long log.

  • Insert: Hammer the spawn plugs into the pre-drilled holes until they sit completely flush with the bark layer.

  • Wax: Melt your wax in an old pot and paint generously over every single plug hole and both cut ends of the log. This creates a tight moisture seal and bars wild competitor fungi out.

3. Incubation (6–10 Months)

  • Place the log back in a shaded, damp outdoor area protected from harsh, drying winds.

  • Never let it dry out! Hose the logs down thoroughly once every day or two during hot summer stretches, and 1–2 times a week in cooler weather. The vigorous white mycelium will steadily weave through the wood structure.

🌤️ Environment & Fruiting Quick-Reference

Blue Oysters grow in heavy, overlapping, shelf-like clusters directly out of the sides of the log bark during the coldest, wettest shifting seasons.

Phase Ideal Conditions Action
Incubation Shaded, warm, humid space (18–24°C). Keep logs resting on clean pallets or bricks to prevent direct soil contamination.
Fruiting Trigger Cool, crisp weather (10–16°C). Submerge the entire log in ice-cold water for 24 hours to simulate heavy seasonal rain and provide a sharp cold shock.
Post-Soak High humidity (85%+) & fresh air. Stand the log upright or lean it horizontally in a shaded garden bed. Deep blue-grey clusters will erupt within 5–10 days!

🍄 Color Tip & Troubleshooting

  • My mushrooms are fading to grey? Don’t panic! Blue Oysters are highly light- and temperature-sensitive. Their deepest blue colours are developed under cool, crisp conditions (under 16°C) with good ambient lighting. As the caps mature or if the weather warms up, they will naturally fade to a beautiful steel-grey.

🔪 Harvesting & Ongoing Care

  • When to Pick: Harvest while the vibrant blue caps are still slightly curled downward at the edges. Once the caps flatten out completely or turn upward, they will drop white spores and quickly lose their prime, meaty texture.

  • How to Pick: Grab the entire dense cluster at the base near the bark, twist firmly, and pull the whole bundle away in one clean piece.

  • The Rest Period: Let the log rest for 5–6 weeks between flushes so the mycelium can rest and digest more of the log’s nutrients before your next forced cold soak.

  • Long-Term Success: Protect the outer bark layer from peeling or taking damage, keep the logs entirely out of direct sunlight, and look forward to heavy, beautiful gourmet flushes every spring and autumn!

**Please keep in the fridge until you’re ready to use them.

Please note this culture is sold with our Mushroom Spawn and Cultures sale agreement. By purchasing you agree to this agreement

Dimensions: 8mm diameter. Recommended 8.5mm drill bit when preparing logs.

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