Blechnum megavulcanicum

A hard fern now accepted as Cranfillia megavulcanica, described by T.C. Chambers and moved to Cranfillia in 2019. There are no usable wild records or climate data, so these conditions are a cautious estimate based on the genus: cool, shaded, constantly moist conditions.

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

No locality data is available. Cranfillia are small to medium hard ferns of wet forest, stream banks and shaded banks in Australasia and Malesia. The epithet suggests a large volcano, which would point to a montane habitat. This is unconfirmed.

Unknown; probably montane, judging by the name.

🔒 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.