Agrocybe putaminum

Mulch fieldcap

The mulch fieldcap is a brownish-orange, bitter and inedible Agrocybe that fruits in clusters in woodchip mulch in parks, gardens and roadsides. Once rare, it has spread with the use of woodchip mulch in Europe, western North America, Australia and New Zealand. It is not cultivated, but any bed of woodchips can host it.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest period

Where it grows wild

Saprobic, growing on the ground in clusters or close groups, usually in woodchip mulch in gardens, parks and roadside plantings. It was first described from garden soil covered in plum stones.

Only four records carry an elevation (360–2,439 m); it is mostly a lowland garden fungus.

EuropeWestern North AmericaAustraliaNew ZealandIndia

🔒 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

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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.