A cluster of brown Reishi mushrooms on a black display base next to a clear plastic bag containing a white mycelial spawn pack, with a wooden AggieTropicals brand tag in front, all on a white background.
A three-tier gray utility cart loaded with multiple clear plastic bags filled with a tan-brown granular substance, photographed in a lab environment.
A stainless steel pressure cooker or sterilizer with its lid open, showing several brown rectangular blocks wrapped in white material inside a steaming basket, set on a tiled countertop in a kitchen-like environment.
A stainless steel countertop with a black and white digital scale on a white cutting board, next to a large white mesh panel. To the right are tall wire shelving units stocked with numerous clear plastic bags of brown and beige dried or ground ingredients, with glass jars and bottles on the lower shelf.
  • Load image into Gallery viewer, A cluster of brown Reishi mushrooms on a black display base next to a clear plastic bag containing a white mycelial spawn pack, with a wooden AggieTropicals brand tag in front, all on a white background.
  • Load image into Gallery viewer, A three-tier gray utility cart loaded with multiple clear plastic bags filled with a tan-brown granular substance, photographed in a lab environment.
  • Load image into Gallery viewer, A stainless steel pressure cooker or sterilizer with its lid open, showing several brown rectangular blocks wrapped in white material inside a steaming basket, set on a tiled countertop in a kitchen-like environment.
  • Load image into Gallery viewer, A stainless steel countertop with a black and white digital scale on a white cutting board, next to a large white mesh panel. To the right are tall wire shelving units stocked with numerous clear plastic bags of brown and beige dried or ground ingredients, with glass jars and bottles on the lower shelf.

Reishi Mushroom Grain Spawn Bag

Aggietropicals
100.00 SR
100.00 SR
Sold out
Tax included. Shipping calculated at checkout.

Start your mushroom cultivation with our premium Reishi Grain Spawn, available in approximately 1.5 kg units. Reishi (Ganoderma lingzhi) is produced as second-generation (G2) grain spawn from carefully selected commercial fruiting genetics chosen for vigorous mycelial growth, reliable colonization, abundant fruiting, excellent biological efficiency, and consistent yields. Available as Traditional Reishi or Antler Reishi, each bag contains fully colonized premium corn grain, providing a vigorous inoculum ready for expansion onto pasteurized or sterilized bulk substrates.

Every grain spawn bag is prepared under strict sterile laboratory conditions and inspected before shipment to ensure vigorous, contamination-free colonization. Reishi is renowned for its glossy reddish-brown fruiting bodies, woody texture, and long history of cultivation as one of the world's most recognized functional mushrooms. Whether selecting Traditional Reishi or Antler Reishi, growers can expect dependable cultivation performance from carefully maintained commercial fruiting genetics. Grain spawn is ideal for inoculating hardwood-based bulk substrates for reliable mushroom production.

Freshly Prepared:

To ensure maximum viability and vigor, every grain spawn bag is prepared fresh to order. Please allow approximately 2–3 weeks for grain preparation, sterilization, inoculation, complete colonization, quality inspection, and packaging before shipment.

Product Details:

Approximately 1.5 kg fully colonized premium corn grain spawn
Produced as second-generation (G2) grain spawn
Available as Traditional Reishi or Antler Reishi
Carefully selected commercial fruiting genetics
Prepared under sterile laboratory conditions
Packaged in a heavy-duty Type T Unicorn Bag with a 0.2-micron filter patch
Ready to inoculate pasteurized or sterilized bulk substrates
Intended for mushroom cultivation

Storage:

For best results, use the grain spawn as soon as possible after arrival. If storage is necessary, keep refrigerated at 2–8°C (35–46°F) and protected from direct light. Do not freeze. Fresh grain spawn provides the most vigorous colonization.

Quality Guarantee:

Every grain spawn bag is visually inspected before shipment to verify vigorous colonization and the absence of visible contamination. If your grain spawn is confirmed to be contaminated upon arrival, contact us promptly with clear photographs within 24 hours of delivery. We will review the claim and, if confirmed, provide a replacement at no additional charge.

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