Asplenium celtibericum

A hybrid spleenwort of limestone rock in the mountains of central and eastern Spain, with Kew also listing France and Morocco. It grows in crevices at 1000–2100 m, where winters are frosty and summers hot and dry. Grow it like a hardy rock-garden spleenwort, not a tropical fern.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Crevices in limestone cliffs and rocks in the Iberian mountains. As a hybrid it occurs with its parent species and is usually rare. We could not confirm its exact parentage, so we don't name it here.

Records span 1000–2100 m, median 1340 m (27 records).

SpainFranceMorocco

🔒 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.