Asplenium contrei

A rare natural hybrid spleenwort of south-western Europe, reported as Asplenium adiantum-nigrum × A. septentrionale. It is known from a handful of sites in France and Spain, in crevices of acidic rock where both parents grow. Grow it as a hardy, acid-loving crevice fern.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Found as single plants in crevices of siliceous rocks and walls with its parents, on sunny to lightly shaded outcrops.

Records with altitudes fall between about 720 and 1,470 m. Other sites are lowland, down to about 175 m.

FranceSpainGreat Britain

🔒 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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More Asplenium

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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.