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Species library › Blechnum › Blechnum spannagelii
Ferns Partly documented

Blechnum spannagelii

A montane fern of south-eastern Brazil's Atlantic Forest, mostly between 1,000 and 2,000 m. It wants cool, humid, shaded conditions with a distinctly cooler, somewhat drier winter, which makes it better suited to a cool greenhouse than a warm terrarium.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Recorded in montane Atlantic Forest and cloud-forest edges of the Serra da Mantiqueira, Serra do Mar and Serra Geral. Microhabitat is inferred from the genus and elevation.

Recorded between 480 and 2,219 m, median 1,360 m.

BrazilPeru

🔒 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.