Polypodium aztecum

A rare natural hybrid polypody (Polypodium ×aztecum) described in 2005 from central Arizona. Like other south-western rock polypodies it grows in shaded rock crevices, puts on fronds in the cool wet season and curls up through summer drought.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Known from a single locality. Related polypodies there grow in shaded crevices and on ledges of canyon walls and boulders, usually on cooler, north-facing rock.

The only records are at 1372 m.

Arizona

🔒 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.