Adiantum seemannii

A Central American maidenhair with large, once-divided fronds, ranging from southern Mexico to Colombia and best recorded in Costa Rica. It grows as a terrestrial fern in wet lowland and foothill forest, most records below a few hundred metres. It wants warm, very humid, shaded conditions.

At home, aim for

Day Warm-growingTargets 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

A terrestrial fern of wet lowland and premontane forest floor. Detailed notes were not reachable.

Recorded from 10 m to 2000 m, median about 200 m.

Mexico SoutheastGuatemalaHondurasNicaraguaCosta RicaPanamáColombia

🔒 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.