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Species library › Asplenium › Asplenium apertum
Ferns Partly documented

Asplenium apertum

A Malagasy spleenwort of humid evergreen montane forest, recorded from about 800 m up to lichen-draped summit forest at about 2180 m on Tsaratanana. It needs cool-to-warm, constantly humid, shaded conditions with a clear night drop.

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

Collections come from dense humid evergreen forest at Ranomafana, Marojejy and Andasibe–Ambatovy, and from lichen-rich summit forest on the Tsaratanana massif. Its growth form was not stated on the labels checked.

Records span 800–2182 m with a median of about 1100 m. The highest plants grow in cloud forest that is markedly cooler than the averages.

Madagascar

🔒 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.