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

Blechnum acutum

An obscure Neotropical Blechnum (Christ, 1901) with almost no published ecology; most records come from high montane Colombia. Grow it as a cool, constantly moist montane fern in shade.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Most records sit in upper montane forest and forest edges near 3,400–3,600 m in the Colombian Andes; scattered lowland records from Brazil and Ecuador probably belong to a different, similarly named taxon. Conditions are generalised from montane Blechnum.

Recorded at 580–3573 m, median about 3,450 m.

ColombiaEcuadorVenezuelaBrazil

🔒 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.