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Species library › Blechnum › Blechnum usterianum
Ferns Partly documented

Blechnum usterianum

A terrestrial fern of the southern and southeastern Brazilian Atlantic Forest and Araucaria forest, recorded from near sea level to about 1,600 m. It suits a shaded, humid spot with warm summers and a cool, slightly drier winter.

At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

It grows on the floor, banks and edges of humid Atlantic Forest and mixed Araucaria forest in Paraná, Santa Catarina, São Paulo and Minas Gerais. This is inferred from the measured range and the genus; specific habitat notes are scarce.

Recorded at 5–1,640 m, median about 670 m.

BrazilParanáSanta CatarinaSão PauloMinas GeraisParaguay

🔒 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.