Trichoderma (Green Mold)
Trichoderma spp.
The #1 enemy of mushroom cultivators. Starts as aggressive white mycelium that can be confused with target mycelium, then sporulates into vivid green.
Visual Identification
Vivid emerald/blue-green patches. Pre-sporulation appears slightly fluffier than healthy mycelium.
Not Treatable
Discard affected material immediately.
Sign up free to see how to identify and treat Trichoderma (Green Mold)
A free First Flush account unlocks the full identification checklist, recommended response, and step-by-step treatment for all 10 contaminants — plus the ability to log a contamination on one of your own grows and track its outcome.