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

Asplenium helii

A nothospecies (natural hybrid) described by Lusina in 1943, listed by Kew for Spain, the Balearics, Corsica and the north-west Balkans. There are only two wild GBIF records. Like its Mediterranean relatives it needs a cool, moist winter and shade through the dry summer.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

A rare hybrid spleenwort known from very few records. The parentage was not confirmed from a reachable source. Mediterranean spleenworts of this kind usually grow in shaded rock crevices and on old walls. Care values are built from the measured climate and what is typical for the genus, because no species-level habitat text was reachable.

The two records carry no usable elevation.

SpainBalearic IslandsCorsicaNW Balkan Peninsula

🔒 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.