Blechnum spinulosum

A terrestrial fern of eastern Australia, from the coast and ranges of Queensland and New South Wales to Victoria and Tasmania, mostly between 70 and 700 m. It grows in moist forest and sheltered gullies, so it wants bright shade, mild temperatures with a cool winter, and evenly moist humus-rich soil.

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

Records cluster in coastal and near-coastal eucalypt forest and gullies of eastern New South Wales and southeast Queensland. Blechnum ferns here typically grow on moist, shaded banks and creek edges under a tree canopy.

Recorded elevations 72–700 m, median 275 m (15 records).

New South WalesQueenslandVictoriaSouth AustraliaTasmaniaLord Howe Island

🔒 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.