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Species library › Asplenium › Asplenium foreziense
Ferns Well documented

Asplenium foreziense

Asplenium foreziense (Forez spleenwort) is a small tufted rock fern of acid, siliceous rock crevices in western Europe, centred on the Massif Central. It is fully hardy, takes more sun and drought than most ferns, and does best in a gritty crevice in a trough or rock garden rather than indoors.

Asplenium foreziense
Photo: Johan N, CC BY-SA 3.0, 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 Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Grows in crevices and at the base of granite, gneiss, schist and volcanic rocks, walls and scree on sunny to partly shaded slopes; it avoids limestone. The measured sites are mostly low and mid-elevation French uplands.

Recorded from 20 to 2150 m, median 450 m; most records are in the hills of the Massif Central, Cévennes and Pyrenean foothills.

Germany (Rheinland-Pfalz)SwitzerlandSpainFranceCorsicaSardiniaItalyTunisiaLibya

🔒 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 3.0 licence, unmodified.