Sign in Start free
Species library › Blechnum › Blechnum keysseri
Ferns Partly documented

Blechnum keysseri

A montane fern of New Guinea, with outliers on Mount Kinabalu, Seram and New Ireland. It lives in cool, cloudy, constantly wet mountain forest, so it wants steady mild temperatures and high humidity rather than heat.

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

Where it grows wild

Montane and upper montane forest on the New Guinea mountains. Little is published on this species; the conditions here follow the measured climate and the typical habitat of montane Blechnum.

Records span 61–3100 m, median 2135 m.

Papua New GuineaWestern New GuineaNew IrelandSeramSabah

🔒 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

Grow Blechnum keysseri? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

Start free Sign in

More Blechnum

Blechnum appendiculatum Blechnum sociale Blechnum montanum Blechnum occidentale Blechnum arcuatum Blechnum acanthopodum Blechnum acutum Blechnum aequabile Blechnum aequatoriense Blechnum aggregatum Blechnum amabile Blechnum ambiguum All 259 →

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.