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Species library › Blechnum › Blechnum kunthianum
Ferns Partly documented

Blechnum kunthianum

A terrestrial Blechnum fern widespread from Colombia and Venezuela down the Andes to Bolivia and across south-east Brazil to Paraguay and Misiones, mostly at mid elevations. It suits a bright shady spot with mild days, cool nights and steady moisture.

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

Where it grows wild

Forest edges, shaded banks and clearings in humid montane and Atlantic forest. The habitat is generalised from the related terrestrial Blechnum of the region.

Recorded at 0 to 3,360 m, median 1,066 m (202 records); the climate sites lie at 350 to 2,250 m.

ColombiaVenezuelaEcuadorPeruBoliviaBrazilParaguayArgentina

🔒 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.