Adiantum cunninghamii

Common maidenhair

A New Zealand maidenhair fern of lowland and hill forest, found on both main islands and on the Chatham and Kermadec Islands. It grows in shaded forest and on banks, and it takes cool, damp winters. It is a temperate fern, not a tropical one.

Adiantum cunninghamii — Photo: No machine-readable author provided. Velela assumed (based on copyright claims)., CC BY-SA 2.5, via Wikimedia Commons

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 shaded forest and on earth banks. The spores sit under the in-rolled edges of the leaflets.

Recorded at 2-914 m, median 152 m.

New Zealand NorthNew Zealand SouthChatham Is.Kermadec Is.

🔒 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 2.5 licence, unmodified.