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Species library › Asplenium › Asplenium gastoni-gautieri
Ferns Little published: much of this is inferred from related species

Asplenium gastoni-gautieri

A rare natural hybrid spleenwort described by Litardière, known from France and Switzerland. Like its rock-fern relatives, it grows in crevices of rock outcrops and walls. It needs a cold winter, bright but not scorching light, and a gritty, free-draining crevice mix.

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

Rock crevices on cliffs, outcrops and walls, like the European rock spleenworts it is related to. As a hybrid it occurs only as scattered single plants where its parents grow together. No species-level habitat text was reachable, so this is built from the measured sites and what is typical for the genus.

There are no georeferenced records. The two climate sites are regional reference points in lowland central France (145 m) and the central Swiss Alps (1584 m).

FranceSwitzerland

🔒 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.