Species library › Asplenium › Asplenium hallbergii
Ferns Partly documented

Asplenium hallbergii

A spleenwort of the highlands of Mexico and Guatemala, described by Mickel and Beitel in the Pteridophyte Flora of Oaxaca (1988). Most records are at 2200–2700 m in pine–oak country, which has mild days, cold nights and a dry winter and spring. Grow it cool, with bright shade and a drier winter rest.

At home, aim for
Day Cool-growingTargets in Plantistry
Night A clear drop at nightTargets 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

Highland pine–oak and fir forest, probably on shaded rocks, banks and mossy trunks. This is inferred from the records and the genus.

Recorded at 157–3567 m, median 2433 m (154 records).

MexicoGuatemala

🔒 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.