Species library › Stropharia › Stropharia ambigua
Fungi Partly documented

Stropharia ambigua

Questionable Stropharia

A tall yellow Stropharia of rich humus, litter and wood chips in the Pacific Northwest, fruiting in autumn and spring in cold, damp weather. It readily colonises old wood-chip beds, so it can be encouraged outdoors, but its edibility is disputed.

Stropharia ambigua
Photo: Madjack74, CC BY-SA 3.0, via Wikimedia Commons
At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
Expects a seasonal rest

Where it grows wild

Grows on rich humus, leaf litter and wood chips under conifers, alder and hardwoods, often in disturbed places where wood has been handled. Prefers cold, damp conditions.

Lowland to low montane; recorded at -6 to 767 m.

North America

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

Grow Stropharia ambigua? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.