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Species library › Blechnum › Blechnum moranianum
Ferns Partly documented

Blechnum moranianum

A high-elevation fern from the páramo and elfin forest of Costa Rica's Cordillera de Talamanca, at about 2,800–3,400 m. It needs cold nights, cool days, constant moisture and bright but often cloudy light, which makes it hard to grow in warm homes.

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

Where it grows wild

Known from the Cerro de la Muerte area of Costa Rica, where Blechnum of this group grow in páramo, bamboo thickets and stunted cloud-forest edges; conditions are inferred from the records and the genus.

Recorded elevations 2,800–3,412 m, median about 3,270 m.

Costa Rica

🔒 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.