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Species library › Blechnum › Blechnum brasiliense
Ferns Well documented

Blechnum brasiliense

A dwarf tree fern (now often treated as Neoblechnum brasiliense) with a short erect trunk and new fronds that open red-bronze, widespread in South America and especially common in Brazil's Atlantic Forest. It wants moist, humus-rich soil, shade to bright shade, and mild, not hot, temperatures; it is more cold-hardy in the wild than cultivation notes suggest.

Blechnum brasiliense
Photo: Remember, Public domain, via Wikimedia Commons
At home, aim for
Day IntermediateTargets 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

A terrestrial fern of moist forest, forest edges, ravines and stream banks, often in humid subtropical Atlantic Forest.

Recorded from sea level to about 1,400 m, median about 560 m.

BrazilParaguayArgentinaUruguayBoliviaPeruEcuadorColombiaVenezuelaGuyanaGuatemalaBelizeMexico

🔒 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. Photo from Wikimedia Commons, used under its Public domain licence, unmodified.