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Species library › Blechnum › Blechnum kermadecense
Ferns Partly documented

Blechnum kermadecense

A little-known blechnoid fern recorded in the wild only from Vanuatu, with doubtful records from Fiji and American Samoa. Despite the name, Kew does not list the Kermadec Islands for it. Grow it like other tropical Pacific forest Blechnum: shaded, warm, humid and evenly moist.

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

Probably the floor and banks of wet island forest; nothing species-specific is published, so this follows the genus.

Seven records give 410–1370 m, median 570 m.

VanuatuFijiAmerican Samoa

🔒 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.