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Species library › Asplenium › Asplenium boreale
Ferns Partly documented

Asplenium boreale

Northern spleenwort

A Japanese and Taiwanese spleenwort, published at species rank by Nakaike in 1992. Almost all of its 298 records are from low elevations in Japan. It lives in a humid warm-temperate climate with hot, wet summers and cool winters, and is hardy to light frost.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

It grows in warm-temperate forest at low elevations in Japan. The microhabitat was not documented in any source that was reachable. Shaded rocks, banks and forest floor are assumed from related Japanese spleenworts.

Recorded from 0 to 500 m, median 120 m, but only 11 records carry an elevation.

JapanTaiwan

🔒 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.