Asplenium grandidentatum

Asplenium grandidentatum is a Madagascan spleenwort, raised to species rank by Viane in 2021, recorded in humid mid-elevation forest from about 750 to 2060 m. Little has been published about its ecology, so these conditions come from the measured climate at its records and what is typical for forest spleenworts of eastern Madagascar. Treat it as a cool-tropical, constantly humid shade fern.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows on trees (epiphyte)

Where it grows wild

No habitat notes were reachable. The records fall in the humid montane forest belt of eastern and northern Madagascar, where spleenworts grow on mossy trunks, rocks and shaded banks; an epiphytic or mossy-rock habit is assumed.

Recorded from 750 to 2063 m, median 1300 m. The climate sites sit at about 1290–1575 m.

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.