Adiantum alan-smithii

A maidenhair fern from Chiapas in southern Mexico, described in 2014 by Hirai, Sundue and Prado. It is known from 900–1000 m, including the steep-walled canyon at the head of the Río de la Venta and secondary dry deciduous forest. Grow it warm, in shade, with a milder dry spell in late winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

A terrestrial fern of steep canyon walls and low deciduous forest (selva baja caducifolia), including disturbed secondary growth, at about 900–1000 m.

Recorded at 900–1009 m (4 records).

Mexico

🔒 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.