Asplenium capillicaule

Asplenium ×capillicaule is a hybrid spleenwort named by Fraser-Jenkins in 2008, recorded from Japan and Nepal. Nothing is published about its ecology beyond three Japanese records from one site in the Kanto mountains. Grow it as a small temperate rock fern with a cold winter.

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 on rock (lithophyte)

Where it grows wild

No habitat notes are available. As a small hybrid rock spleenwort it probably grows in shaded rock crevices, but this is inferred from the genus.

The only site used is at about 760 m.

JapanNepal

🔒 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.