Blechnum aequabile

A Pacific-island blechnoid fern, now usually called Cranfillia aequabilis, found from Micronesia to Fiji, Tonga, Vanuatu and French Polynesia. Like its relatives it wants shade, constant warmth, humid air and a moist humus-rich mix that never dries out.

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

A ground fern of wet island forest; Cranfillia species typically grow on shaded banks, stream sides and rocks in rainforest. Species-specific habitat detail is thin.

Few elevation records; the single measured site in Fiji is at 66 m, but on high islands such as Tahiti and Rapa it likely also grows in cooler montane forest.

FijiVanuatuTongaMarquesas IslandsSociety IslandsAustral IslandsMicronesia

🔒 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.