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Species library › Blechnum › Blechnum nigrocostatum
Ferns Little published: much of this is inferred from related species

Blechnum nigrocostatum

A terrestrial Andean fern of montane forest in Peru, Bolivia and Ecuador, mostly recorded between 1,250 and 2,300 m. Little is published on its cultivation; grow it like other montane Blechnum: steady moisture, cool to mild temperatures, humid air and shade.

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

Montane forest understorey, banks and road cuts, in moist humus-rich soil. Inferred from the genus and the elevation of the records.

Recorded at 500–2,300 m (median 1,750 m); most records are in the 1,250–2,300 m montane belt.

PeruBoliviaEcuador

🔒 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.