Alcantarea tortuosa

A rock-dwelling tank bromeliad known from mountains in northern Rio de Janeiro state, Brazil, with records given as 950–1900 m. Give it full sun, cool nights and sharp drainage; species detail is thin, so this follows the genus.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Expected on exposed granite or gneiss rock in the Serra do Mar mountain region, rooted in crevices with the rosette exposed; no species-specific habitat account was found.

Records give 950–1900 m, with most at 1900 m; the higher figure may be overstated for this locality.

Brazil Southeast

🔒 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.