Adiantum pentadactylon

A large-fronded maidenhair endemic to the Atlantic Forest of southeast and south Brazil, recorded from sea level to about 800 m. It grows on the humid forest floor, where it is warm and wet in summer and mild in winter, so it wants steady moisture and shade all year.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Lowland and submontane Atlantic rainforest in southern and southeastern Brazil. Like its relatives, it is presumably a ground fern of shaded slopes and stream banks.

0–820 m, median 186 m across 121 dated records.

Brazil SoutheastBrazil South

🔒 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.