Cryptanthus marginatus

A small terrestrial earth-star bromeliad endemic to south-eastern Brazil, grown as the parent of several ornamental cultivars. Little is published on its wild habitat, so conditions here come from the regional climate and the genus, which lives on the shaded floor and rocky margins of Atlantic forest.

At home, aim for

Day Warm-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 in the ground

Where it grows wild

Like most Cryptanthus it is a ground-dwelling rosette of leaf litter and humus pockets in Atlantic forest, usually under partial shade; the exact microhabitat of this species is not documented.

No wild records carry an elevation; the single climate site sits at about 580 m in the Rio Doce valley, an estimate rather than a measured locality.

Brazil SoutheastMinas GeraisEspírito Santo

🔒 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.