Blechnum glabrescens

A fern of the southwest Pacific islands (Aneityum in Vanuatu, the Samoas and Rarotonga). Grow it like other island rainforest Blechnum: shade, warmth all year, high humidity and a constantly moist, humus-rich mix.

At home, aim for

Day Warm-growingTargets 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

Little is published about its habitat; Pacific Blechnum grow on the floor and banks of wet forest, often on slopes and stream sides.

The Vanuatu records sit at about 490 m; it likely occurs from lowland to montane forest.

VanuatuSamoaAmerican SamoaCook Islands

🔒 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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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.