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Species library › Blechnum › Blechnum cochabambense
Ferns Partly documented

Blechnum cochabambense

A high-Andean hard fern known only from a few records at 3,100–3,400 m in Cochabamba, Bolivia, now usually placed in Parablechnum. It needs cold nights near freezing, cool days and humid air, which makes it hard to grow without a cool greenhouse.

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
Expects a seasonal restGrows in the ground

Where it grows wild

Only six records exist, all from upper montane forest and shrubland in the Cochabamba Yungas. Terrestrial Parablechnum at this elevation grows on banks and in elfin forest and scrub; this profile generalises from that habitat.

Recorded at 3,110–3,400 m, median 3,400 m.

Cochabamba

🔒 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.