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Species library › Asplenium › Asplenium hostmannii
Ferns Partly documented

Asplenium hostmannii

A lowland rainforest spleenwort of the Guianas, northern Brazil and Venezuela, described by Hieronymus in 1918. Records sit mostly at 50–650 m. It wants constant warmth, high humidity and shade.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Found in lowland rainforest on the Guiana Shield. The growth form was not confirmed from a reachable source; lowland Asplenium here grow on trunks, rocks and the forest floor. Care values are built from the measured climate and what is typical for the genus, because no species-level habitat text was reachable.

Records run from 52 to 642 m, median 240 m (66 records).

SurinameFrench GuianaBrazil NorthVenezuelaTrinidad and TobagoPanamaGuatemala

🔒 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.