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  • Wild clone of Morchella americana, the yellow morel, from a local Illinois fruiting body; our most aggressive morel strain
  • Colonizes rye berry spawn in 12–21 days at 60–70°F
  • For outdoor beds under hardwoods; needs at least 24 hours below freezing each winter
  • A multi-season project; indoor fruiting is unreliable
  • Includes a 16G 1.5" Luer Lock needle and alcohol prep pad; ships insulated
Retail: $24.99
Price: $15.00
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    Item #: GMLC
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    Our Golden Morel was cloned in May from a vigorous wild fruiting body found near our Illinois lab, then isolated in-house. It's the most aggressive morel strain we've worked with, and because it came from a cold-winter region, it's already adapted to the seasonal cycle morels need. Like every morel, it's an outdoor-bed project, not an indoor crop.

    • Wild cloneLocal Illinois strain
    • G1Isolated genetics
    • 12–21 daysGrain colonization
    • Outdoor bedsMethod
    • ExpertDifficulty

    Why grow our Golden Morel culture

    Regionally adapted

    Cloned from a wild morel found in a cold-winter region, not a generic commercial line. If your winters are cold too, that works in your favor.

    Our most aggressive morel

    It has outrun every other morel strain we've isolated on grain.

    From a proven lineage

    We've established outdoor patches many times from local wild morels; this culture comes from that same regional stock.

    Inoculating with liquid culture

    1Warm and shake

    Let the syringe reach room temperature, then shake it gently to break up and spread the mycelium through the broth.

    2Inject rye

    Flame the needle, wipe the port with the alcohol pad, and use 2–3cc per quart jar or 3–5cc per 3–5 lb bag of rye berries.

    3Colonize

    Keep the grain at 60–70°F in the dark for 12–21 days until it's fully colonized.

    4Build the bed

    Mix the spawn into a shaded bed of hardwood chips, coir and sawdust under oak, elm or ash. Keep it moist and let it overwinter.

    It needs a hard freeze: this strain wants at least 24 continuous hours below freezing as part of its cycle. That freeze is the trigger, not something to protect the bed from. In mild-winter climates, odds drop sharply no matter how well the bed is built.

    Golden Morel growing parameters

    SpecDetail
    Scientific nameMorchella americana, the yellow morel of eastern North America (formerly lumped with M. esculenta)
    OriginWild clone from a local fruiting body, isolated in our lab
    Primary methodOutdoor habitat beds; indoor fruiting is unreliable
    Spawn grainRye berries (preferred), milo or millet
    Bed materialHardwood chips, coir and sawdust; wood ash optional
    PlacementShaded ground under oak, elm, ash or elder
    Incubation60–70°F, 80–85% humidity
    Grain colonization12–21 days
    Fruiting conditions55–65°F, 90–93% humidity
    ClimateAt least 24 continuous hours below freezing each winter
    Planting windowSpring for possible fall fruiting, or fall for spring
    Time to harvestVaries; beds often sit a full season or longer

    Make the spawn firstRun the culture into rye berry jars with wide-mouth cultivation lids or your own lids with self-healing injection ports. Spare 16G needles and sterile Luer Lock syringes are sold separately.

    Frequently asked questions

    How much liquid culture do I use per jar or bag?

    Use 2–3cc per quart grain jar and 3–5cc per 3–5 lb spawn bag. One 10cc Golden Morel syringe inoculates roughly two to four containers. Using more doesn't speed colonization much; it just uses up the syringe.

    How long does Golden Morel take to colonize grain?

    12–21 days at 60–70°F to colonize rye spawn. After planting, expect the bed to sit through a full cycle before producing; outdoor beds run on weather, not a calendar.

    What's the best substrate for Golden Morel?

    Rye berries for spawn. For the bed, hardwood chips mixed with coir and sawdust under oak, elm, ash or elder, with a little wood ash if you want a mineral boost.

    How is Golden Morel different from Black Morel?

    Our Golden strain is a local wild clone and the most aggressive morel we've worked with. It's also a different species: Golden is Morchella americana, the yellow morel, while Black is M. elata. Black Morel is the more widely cultivated of the two and slightly more forgiving in a controlled environment. Both need outdoor beds, cold winters and the same technique.

    How should I store the syringe?

    Refrigerate it at 35–45°F in the bag it shipped in and never freeze it; freezing ruptures the cells and kills the culture. Bring it to room temperature and shake gently before you inject.

    Why liquid culture instead of a spore syringe?

    Liquid culture is living mycelium from an isolated culture, so it skips germination, colonizes days faster and gives genetically consistent fruits. Spores have to germinate and pair up first, which is slower and more variable from grow to grow.

    Packed to arrive alive

    Liquid culture is living mycelium, so every syringe leaves our lab in a foil-lined insulated mailer. The insulation buffers it against summer heat in a delivery truck and against sub-freezing winter temperatures, so it arrives viable either way.

    Myco Labs liquid culture syringe packed in a foil-lined insulated mailer

    When it arrives: refrigerate the syringe at 35–45°F until you're ready to inoculate. Never freeze it. Bring it to room temperature and shake gently before use.

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