Mushroom Plug Spawn – Yellow Oyster Mushroom (Pleurotus citrinopileatus) Approx. 600-700 qty plugs

$44.95

2 in stock (can be backordered)

SKU: PLUGSPC2502 Category:

Description

Yellow Oyster Spawn Plugs Cultivation Guide

Yellow Oysters (Pleurotus citrinopileatus) are a striking and highly prolific gourmet variety. They produce breathtaking, dense clusters of bright, sun-yellow, wineglass-shaped caps on delicate white stems. They boast a distinctively nutty, slightly citrusy flavour that turns beautifully crisp and savoury when pan-fried.

Because Yellow Oysters are exceptionally fast-moving and aggressive Pleurotus wood-rotters, they colonise wood rapidly. They run through logs much faster than other species, often giving you a first harvest in just 4–8 months instead of over a year! Once established, a single log will fruit heavily throughout the summer for 3–5 years.

This is a warm-weather loving variety. While the mycelium is highly resilient, it can be damaged by hard, freezing winter conditions. They must be inoculated in spring or early summer, and if you live in a climate with extreme freezing winters, the logs should be moved into a garage, basement, or shed before the ground freezes.

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

🛠️ Quick Gear Checklist

  • Fresh Hardwood Logs: Soft hardwoods like poplar, willow, alder, elm, and birch allow for lightning-fast colonisation. Denser 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.

  • Yellow Oyster Spawn Plugs: Wooden dowels fully colonised with aggressive Yellow 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 (Spring / Early Summer Only)

  • 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 (4–8 Months)

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

  • Never let it dry out! Because they incubate during the hottest months of the year, they will dry out fast. Hose the logs down thoroughly once every day or two during hot summer stretches. The vigorous white mycelium will steadily weave through the wood structure.

🌤️ Environment & Fruiting Quick-Reference

Yellow Oysters grow in heavy, overlapping, fragile clusters directly out of the sides of the log bark during the warmest, most humid stretches of the year.

Phase Ideal Conditions Action
Incubation Warm, humid shade (20–26°C). Keep logs resting on clean pallets or bricks to prevent direct soil contamination.
Fruiting Trigger Warm, balmy summer weather (18–26°C). Submerge the entire log in water for 12–24 hours to simulate a heavy summer downpour. (Use ambient/cool water, not ice-cold water, to avoid shocking the heat-loving mycelium).
Post-Soak High humidity (85%+) & fresh air. Stand the log upright or lean it horizontally in a shaded garden bed. Vibrant yellow clusters will erupt within 3–7 days!

❄️ Winter Survival Trick: If your winter temperatures drop well below freezing, bring your Yellow Oyster logs inside a basement, garage, or shed to protect the mycelium from a fatal deep freeze. Move them back outside when spring warms up.

🔪 Harvesting & Ongoing Care

  • When to Pick: Harvest while the caps are a vibrant, rich yellow and still slightly curled downward or flat. Yellow Oysters are more fragile than grey or blue oysters; if you wait until the edges flip upward, the caps become very brittle, lose their colour, and drop millions of white spores.

  • 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 4–5 weeks between flushes so the mycelium can recover and digest more of the log’s nutrients before your next forced 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, stunning golden flushes all through the summer!

**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.