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Species library › Blechnum › Blechnum humbertii
Ferns Partly documented

Blechnum humbertii

A Madagascar montane fern, now placed by GBIF as Parablechnum humbertii, recorded from about 1,200 to 1,950 m on the northern massifs and in the south-central highlands. It wants cool, constantly humid, shaded conditions like a cloud-forest floor or bank.

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

Records come from humid montane forest on the northern massifs (Marojejy and Tsaratanana area) and the Andringitra area, where it grows terrestrially in mossy, shaded forest.

Recorded at 1,225–1,940 m, median 1,625 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.