Blechnum articulatum

A water fern of rainforest stream banks in the uplands of the Queensland Wet Tropics, now usually placed in Parablechnum. Grow it shaded, cool-nighted and constantly moist, like a creekside fern rather than a dry-tolerant one.

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

Wet stream banks in upland tropical rainforest, rooted in damp soil and among rocks at the water's edge.

Recorded at 400–1300 m, median 1000 m, mostly on the Atherton Tableland and nearby ranges.

Queensland

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.