Adiantum orbignyanum

An Andean maidenhair recorded from Colombia to northwest Argentina, with most records from the dry inter-Andean valleys of Peru and Bolivia. It grows on stream banks in a climate of mild days, cold nights and a long, almost rainless winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Records note stream banks in small valleys; like other Andean Adiantum it probably also uses shaded banks and rock crevices where seepage persists.

The measured sites range from 520 to 4170 m. Most sites are 2800-3400 m, and the highest point is probably a georeferencing artefact.

Argentina NortheastArgentina NorthwestBoliviaColombiaEcuadorPeru

🔒 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.