• 4T-Inj Unicorn Bag labeled Phoenix Oyster (Pleurotus Pulmonarius) with hand holding Liquid Culture syringe inoculating Sterilized Grain for Phoenix Oyster Grain Spawn with white background
  • Cluster of Phoenix Oyster (Pleurotus Pulmonarius) with White Background
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Phoenix Oyster (Pleurotus pulmonarius) Grain Spawn

$25.00 USD
$30.00 USD $25.00 USD
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Phoenix Oyster mushrooms thrive in warmer conditions and grow quickly. They produce white to light-gray caps with a sweet, mild flavor and slightly chewy texture. Used frequently in stir-fries and soups, they are also known for high levels of ergothioneine, a powerful antioxidant.

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Hand holding up partially colonized Shiitake Whole Oat Grain Spawn in a 4T-INJ Unicorn bag with a white background.

About Our Grain Spawn

Built on the same Unicorn 4T-INJ bag platform as our sterilized grain, this spawn is inoculated to order with low-passage, agar-verified culture for clean, vigorous growth. Because it’s freshly inoculated, the bag will arrive partially colonized—or colonization may become visible within a few days, depending on species and shipping conditions. Hydration and gas exchange are tuned for fast, even colonization.

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Grow Guide

Pleurotus Pulmonarius
Phoenix oyster is a warm weather friendly oyster that produces soft, tender clusters. Flavor leans sweet and earthy with a delicate texture.

Caps can range from pale tan to gray tones depending on conditions. It is a strong pick for summer grows and for anyone who wants oysters that cook fast and absorb sauces well.

Best fit if you want reliable oysters in warmer conditions. Use pasteurized straw or hardwood based blocks. Keep humidity high. Increase fresh air once pins form for good cap shape.
  • Culinary
  • Hardwood & soy hulls (Master's mix)
  • Hardwood supplemented w/ soy
  • Hardwood pellets or sawdust
  • Straw
  • Indoor
  • Outdoor - Controlled
  • Side-Fruiting
6500K or daylight spectrum; 12 hours on, 12 hours off; Indirect light is fine
  • Beginner

Compounds Identified in Pleurotus Pulmonarius

Every strain carries its own chemical signature. These are the compounds found in this species — documented in the scientific literature for anyone who wants to dig deeper.

5 Active Compounds

  • Beta glucans and polysaccharides

    Known Benefits

    • Immune modulation via pattern recognition receptors including Dectin-1. Supports innate immune signaling and downstream adaptive responses. Often studied for immune resilience and inflammation balancing.

  • Ergothioneine

    Known Benefits

    • Potent dietary antioxidant and cytoprotectant. Taken up by a dedicated transporter (OCTN1) and concentrated in some tissues. Studied for reducing oxidative stress and inflammation related damage.

  • Phenolics and polyphenols

    Known Benefits

    • Antioxidant and anti inflammatory actions. Often linked to improved oxidative stress markers and to gut microbiome interactions that may influence metabolic and cardiovascular health.

  • Lovastatin (mevinolin)

    Known Benefits

    • Inhibits HMG CoA reductase, the same cholesterol synthesis pathway targeted by statin drugs. In food context it is discussed for lipid lowering potential, though amounts vary by species, strain, and substrate.

  • Ergosterol

    Known Benefits

    • Provitamin D2 precursor in mushrooms. Converts to vitamin D2 with UV exposure. Also reported antioxidant and anti inflammatory activities in reviews.

Frequently Asked Questions

While other methods may work, we prioritize quality and consistency. We utilize a thorough clean, soak, heat, and strain method that fully prepares the grain before sterilization. This additional effort results in a more consistent, high-quality grain that optimizes mycelium colonization and ensures stronger, healthier growth.
We only use the industry standard Unicorn Bags. 3 pound bags use 4T-INJ Bags and the 5 pound bags use a 3T. Both Include a 0.2-micron filter patch for controlled airflow and a secure injection port, facilitating easy inoculation with liquid cultures or spore syringes.
Colonization rates upon receipt will vary based on variety, transit time and temperature. Grains are Inoculated to order, so in most cases you will see visible mycelial growth upon receipt, but it's possible this will not occur until a couple days after. This depends on species and temperatures the grain spawn is exposed to during transit.
Keep in a cool, dark place during and after colonization. Once the bag reaches ~25% colonization, perform a gentle break and shake to redistribute mycelium and speed completion. Avoid opening until fully colonized and ready to expand into your substrate.