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Species library › Blechnum › Blechnum anthracinum
Ferns Partly documented

Blechnum anthracinum

A high-elevation Bolivian fern known from a few collections at about 3,100–3,200 m in the La Paz Yungas. It needs cool days, cold nights and constantly humid air; heat is the main danger in cultivation.

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

Records come from the upper montane cloud-forest zone above the Yungas valleys. It is generalised from Andean Blechnum as a terrestrial fern of mossy banks and forest edges or shrubby clearings.

Recorded at 3,140–3,225 m (8 records).

Bolivia

🔒 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.