Species library ‹ Adiantum ‹ Adiantum capillus-junonis
Ferns Partly documented

Adiantum capillus-junonis

Adiantum capillus-junonis is a small, once-pinnate maidenhair of China, Korea and Japan whose frond tips can root to form new plants. It grows on moist rocks and walls through a wide range of temperate climates with cold, dry winters and hot, wet summers, so it needs a winter rest and is fairly frost-hardy.

Adiantum capillus-junonis
Photo: åŪœč˜­įŽŽäļ€å…Žæ°‘, CC BY-SA 4.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets 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

A small fern of shaded, moist rock faces, crevices and old walls, often on limestone. Inferred from the measured climate and the habits of the genus, not from species-specific reports.

Recorded from about 25 to 2,080 m, median about 1,350 m.

ChinaJapanKoreaTaiwanMongoliaThailandVietnam

🔒 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 4.0 licence, unmodified.