Asplenium guichardii

Asplenium ×guichardii is a natural hybrid spleenwort described by Litardière in 1911, known from rock crevices in southern and central France and in Liguria, Italy. It is a small, hardy rock fern of a Mediterranean-to-temperate climate with cold winters and warm, somewhat dry summers.

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

Hybrid spleenworts of this region grow in crevices of rock outcrops and walls, usually where both parents grow together. The recorded sites are in the Cévennes, Ardèche, Forez and Ligurian hills, which are mostly acidic, siliceous rock; a crevice habit on siliceous rock is assumed.

Recorded from 363 to 689 m, median 490 m.

FranceItaly

🔒 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.